diff --git a/packages/soundfonts/list.mjs b/packages/soundfonts/list.mjs
index 96e5fd7c..6c162206 100644
--- a/packages/soundfonts/list.mjs
+++ b/packages/soundfonts/list.mjs
@@ -1,4 +1,5 @@
 export const instruments = [
+  // Acoustic Grand Piano: Piano
   '0000_JCLive_sf2_file',
   '0000_Aspirin_sf2_file',
   '0000_Chaos_sf2_file',
@@ -8,8 +9,12 @@ export const instruments = [
   //'0000_SoundBlasterOld_sf2',
   '0001_FluidR3_GM_sf2_file',
   '0001_GeneralUserGS_sf2_file',
-  '0002_GeneralUserGS_sf2_file',
-  '0003_GeneralUserGS_sf2_file',
+
+  // ??
+  '0002_GeneralUserGS_sf2_file', // strring
+  '0003_GeneralUserGS_sf2_file', // vibraphone like
+
+  // Bright Acoustic Piano: Piano
   '0010_Aspirin_sf2_file',
   '0010_Chaos_sf2_file',
   '0010_FluidR3_GM_sf2_file',
@@ -20,7 +25,10 @@ export const instruments = [
   '0011_Aspirin_sf2_file',
   '0011_FluidR3_GM_sf2_file',
   '0011_GeneralUserGS_sf2_file',
-  '0012_GeneralUserGS_sf2_file',
+
+  '0012_GeneralUserGS_sf2_file', // string??
+
+  // Electric Grand Piano: Piano
   '0020_Aspirin_sf2_file',
   '0020_Chaos_sf2_file',
   '0020_FluidR3_GM_sf2_file',
@@ -30,7 +38,10 @@ export const instruments = [
   //'0020_SoundBlasterOld_sf2',
   '0021_Aspirin_sf2_file',
   '0021_GeneralUserGS_sf2_file',
-  '0022_Aspirin_sf2_file',
+  // ?
+  '0022_Aspirin_sf2_file', // dx7 epiano like
+
+  // Honky-tonk Piano: Piano
   '0030_Aspirin_sf2_file',
   '0030_Chaos_sf2_file',
   '0030_FluidR3_GM_sf2_file',
@@ -42,6 +53,8 @@ export const instruments = [
   '0031_FluidR3_GM_sf2_file',
   '0031_GeneralUserGS_sf2_file',
   //'0031_SoundBlasterOld_sf2', // pianos until here
+
+  // Electric Piano 1: Piano
   '0040_Aspirin_sf2_file',
   '0040_Chaos_sf2_file',
   '0040_FluidR3_GM_sf2_file', // rhodes
@@ -53,22 +66,31 @@ export const instruments = [
   '0041_GeneralUserGS_sf2_file', // staccato rhodes
   //'0041_SoundBlasterOld_sf2', // ?
   '0042_GeneralUserGS_sf2_file', // staccato wurly
+
+  // ???
   '0043_GeneralUserGS_sf2_file', // high bell
   '0044_GeneralUserGS_sf2_file', // reed organ
-  '0045_GeneralUserGS_sf2_file', // ?
-  '0046_GeneralUserGS_sf2_file', // ?
-  '0050_Aspirin_sf2_file', // glass organ
-  '0050_Chaos_sf2_file', // short glass organ
-  '0050_FluidR3_GM_sf2_file', // long glass organ !
-  '0050_GeneralUserGS_sf2_file', // short glass organ
-  '0050_JCLive_sf2_file', // glass organ
+  //'0045_GeneralUserGS_sf2_file', // ?
+  '0046_GeneralUserGS_sf2_file', // reed organ
+
+  // Electric Piano 2: Piano
+  '0050_Aspirin_sf2_file', // glass piano
+  '0050_Chaos_sf2_file', // short glass piano
+  '0050_FluidR3_GM_sf2_file', // long glass piano !
+  // ?
+  '0050_GeneralUserGS_sf2_file', // short glass piano
+  // cont
+  '0050_JCLive_sf2_file', // glass piano
   //'0050_SBLive_sf2', // ?
   //'0050_SoundBlasterOld_sf2', // ?
   '0051_FluidR3_GM_sf2_file', // long lass organ
   '0051_GeneralUserGS_sf2_file',
-  '0052_GeneralUserGS_sf2_file', // ?
+  //'0052_GeneralUserGS_sf2_file', // ?
   '0053_GeneralUserGS_sf2_file',
+  // normal piano...
   '0054_GeneralUserGS_sf2_file', // piano
+
+  // Harpsichord: Piano
   '0060_Aspirin_sf2_file', // harpsichord
   '0060_Chaos_sf2_file',
   '0060_FluidR3_GM_sf2_file', // harpsichord !
@@ -80,14 +102,18 @@ export const instruments = [
   '0061_GeneralUserGS_sf2_file',
   //'0061_SoundBlasterOld_sf2',
   '0062_GeneralUserGS_sf2_file',
+
+  // Clavinet: Piano
   '0070_Aspirin_sf2_file',
   '0070_Chaos_sf2_file',
   '0070_FluidR3_GM_sf2_file',
-  '0070_GeneralUserGS_sf2_file',
+  // '0070_GeneralUserGS_sf2_file', // half broken
   '0070_JCLive_sf2_file',
   //'0070_SBLive_sf2',
   //'0070_SoundBlasterOld_sf2',
-  '0071_GeneralUserGS_sf2_file',
+  // '0071_GeneralUserGS_sf2_file', // half broken
+
+  // Celesta: Chromatic Percussion
   '0080_Aspirin_sf2_file',
   '0080_Chaos_sf2_file',
   '0080_FluidR3_GM_sf2_file',
@@ -96,8 +122,10 @@ export const instruments = [
   //'0080_SBLive_sf2',
   //'0080_SoundBlasterOld_sf2',
   '0081_FluidR3_GM_sf2_file',
-  '0081_GeneralUserGS_sf2_file',
+  // '0081_GeneralUserGS_sf2_file', // weird detuned
   //'0081_SoundBlasterOld_sf2',
+
+  // Glockenspiel: Chromatic Percussion
   '0090_Aspirin_sf2_file',
   '0090_Chaos_sf2_file',
   '0090_FluidR3_GM_sf2_file',
@@ -106,6 +134,8 @@ export const instruments = [
   //'0090_SBLive_sf2',
   //'0090_SoundBlasterOld_sf2',
   //'0091_SoundBlasterOld_sf2',
+
+  // Music Box: Chromatic Percussion
   '0100_Aspirin_sf2_file',
   '0100_Chaos_sf2_file',
   '0100_FluidR3_GM_sf2_file',
@@ -113,8 +143,10 @@ export const instruments = [
   '0100_JCLive_sf2_file',
   //'0100_SBLive_sf2',
   //'0100_SoundBlasterOld_sf2',
-  '0101_GeneralUserGS_sf2_file',
+  // '0101_GeneralUserGS_sf2_file', // weird detuned
   //'0101_SoundBlasterOld_sf2',
+
+  // Vibraphone: Chromatic Percussion
   '0110_Aspirin_sf2_file',
   '0110_Chaos_sf2_file',
   '0110_FluidR3_GM_sf2_file',
@@ -123,6 +155,8 @@ export const instruments = [
   //'0110_SBLive_sf2',
   //'0110_SoundBlasterOld_sf2',
   '0111_FluidR3_GM_sf2_file',
+
+  // Marimba: Chromatic Percussion
   '0120_Aspirin_sf2_file',
   '0120_Chaos_sf2_file',
   '0120_FluidR3_GM_sf2_file',
@@ -131,7 +165,9 @@ export const instruments = [
   //'0120_SBLive_sf2',
   //'0120_SoundBlasterOld_sf2',
   '0121_FluidR3_GM_sf2_file',
-  '0121_GeneralUserGS_sf2_file',
+  '0121_GeneralUserGS_sf2_file', // not really a marimba
+
+  // Xylophone: Chromatic Percussion
   '0130_Aspirin_sf2_file',
   '0130_Chaos_sf2_file',
   '0130_FluidR3_GM_sf2_file',
@@ -140,25 +176,31 @@ export const instruments = [
   //'0130_SBLive_sf2',
   //'0130_SoundBlasterOld_sf2',
   '0131_FluidR3_GM_sf2_file',
+
+  // Tubular Bells: Chromatic Percussion
   '0140_Aspirin_sf2_file',
-  '0140_Chaos_sf2_file',
+  // '0140_Chaos_sf2_file', // same as aspirin?
   '0140_FluidR3_GM_sf2_file',
   '0140_GeneralUserGS_sf2_file',
   '0140_JCLive_sf2_file',
   //'0140_SBLive_sf2',
   //'0140_SoundBlasterOld_sf2',
   '0141_FluidR3_GM_sf2_file',
-  '0141_GeneralUserGS_sf2_file',
-  '0142_GeneralUserGS_sf2_file',
-  '0143_GeneralUserGS_sf2_file',
+  //'0141_GeneralUserGS_sf2_file',
+  '0142_GeneralUserGS_sf2_file', // epiano..
+  // '0143_GeneralUserGS_sf2_file', // buggy
+
+  // Dulcimer: Chromatic Percussion
   '0150_Aspirin_sf2_file',
-  '0150_Chaos_sf2_file',
+  '0150_Chaos_sf2_file', // long load?
   '0150_FluidR3_GM_sf2_file',
   '0150_GeneralUserGS_sf2_file',
-  '0150_JCLive_sf2_file',
+  // '0150_JCLive_sf2_file', // detuned???
   //'0150_SBLive_sf2',
   //'0150_SoundBlasterOld_sf2',
   '0151_FluidR3_GM_sf2_file',
+
+  // Drawbar Organ: Organ
   '0160_Aspirin_sf2_file',
   '0160_Chaos_sf2_file',
   '0160_FluidR3_GM_sf2_file',
@@ -169,16 +211,20 @@ export const instruments = [
   '0161_Aspirin_sf2_file',
   '0161_FluidR3_GM_sf2_file',
   //'0161_SoundBlasterOld_sf2',
+
+  // Percussive Organ: Organ
   '0170_Aspirin_sf2_file',
   '0170_Chaos_sf2_file',
   '0170_FluidR3_GM_sf2_file',
-  '0170_GeneralUserGS_sf2_file',
+  // '0170_GeneralUserGS_sf2_file', // repitched
   '0170_JCLive_sf2_file',
   //'0170_SBLive_sf2',
   //'0170_SoundBlasterOld_sf2',
   '0171_FluidR3_GM_sf2_file',
-  '0171_GeneralUserGS_sf2_file',
+  // '0171_GeneralUserGS_sf2_file',  // repitched
   '0172_FluidR3_GM_sf2_file',
+
+  // Rock Organ: Organ
   '0180_Aspirin_sf2_file',
   '0180_Chaos_sf2_file',
   '0180_FluidR3_GM_sf2_file',
@@ -186,9 +232,13 @@ export const instruments = [
   '0180_JCLive_sf2_file',
   //'0180_SBLive_sf2',
   //'0180_SoundBlasterOld_sf2',
-  '0181_Aspirin_sf2_file',
-  '0181_GeneralUserGS_sf2_file',
+
+  // ???
+  //'0181_Aspirin_sf2_file', // flute
+  //'0181_GeneralUserGS_sf2_file', // marimbalike
   //'0181_SoundBlasterOld_sf2',
+
+  // Church Organ: Organ
   '0190_Aspirin_sf2_file',
   '0190_Chaos_sf2_file',
   '0190_FluidR3_GM_sf2_file',
@@ -196,32 +246,38 @@ export const instruments = [
   '0190_JCLive_sf2_file',
   //'0190_SBLive_sf2',
   //'0190_SoundBlasterOld_sf2',
-  '0191_Aspirin_sf2_file',
-  '0191_GeneralUserGS_sf2_file',
+  //'0191_Aspirin_sf2_file', // string??
+  //'0191_GeneralUserGS_sf2_file', // weird organ
   //'0191_SoundBlasterOld_sf2',
+
+  // Reed Organ: Organ
   '0200_Aspirin_sf2_file',
   '0200_Chaos_sf2_file',
   '0200_FluidR3_GM_sf2_file',
   '0200_GeneralUserGS_sf2_file',
-  '0200_JCLive_sf2_file',
+  '0200_JCLive_sf2_file', // stringy
   //'0200_SBLive_sf2',
   //'0200_SoundBlasterOld_sf2',
-  '0201_Aspirin_sf2_file',
+  '0201_Aspirin_sf2_file', // stringy
   '0201_FluidR3_GM_sf2_file',
   '0201_GeneralUserGS_sf2_file',
   //'0201_SoundBlasterOld_sf2',
-  '0210_Aspirin_sf2_file',
-  '0210_Chaos_sf2_file',
+  //'0210_Aspirin_sf2_file', // buggy
+  //'0210_Chaos_sf2_file', // buggy
+
+  // Accordion: Organ
   '0210_FluidR3_GM_sf2_file',
   '0210_GeneralUserGS_sf2_file',
   '0210_JCLive_sf2_file',
   //'0210_SBLive_sf2',
   //'0210_SoundBlasterOld_sf2',
-  '0211_Aspirin_sf2_file',
+  '0211_Aspirin_sf2_file', // stringy
   '0211_FluidR3_GM_sf2_file',
   '0211_GeneralUserGS_sf2_file',
   //'0211_SoundBlasterOld_sf2',
   '0212_GeneralUserGS_sf2_file',
+
+  // Harmonica: Organ
   '0220_Aspirin_sf2_file',
   '0220_Chaos_sf2_file',
   '0220_FluidR3_GM_sf2_file',
@@ -230,6 +286,8 @@ export const instruments = [
   //'0220_SBLive_sf2',
   //'0220_SoundBlasterOld_sf2',
   '0221_FluidR3_GM_sf2_file',
+
+  // Tango Accordion: Organ
   '0230_Aspirin_sf2_file',
   '0230_Chaos_sf2_file',
   '0230_FluidR3_GM_sf2_file',
@@ -238,11 +296,13 @@ export const instruments = [
   //'0230_SBLive_sf2',
   //'0230_SoundBlasterOld_sf2',
   '0231_FluidR3_GM_sf2_file',
-  '0231_GeneralUserGS_sf2_file',
+  '0231_GeneralUserGS_sf2_file', // warbly
   '0231_JCLive_sf2_file',
   //'0231_SoundBlasterOld_sf2',
   '0232_FluidR3_GM_sf2_file',
   '0233_FluidR3_GM_sf2_file',
+
+  // Acoustic Guitar (nylon): Guitar
   '0240_Aspirin_sf2_file',
   '0240_Chaos_sf2_file',
   '0240_FluidR3_GM_sf2_file',
@@ -251,60 +311,68 @@ export const instruments = [
   '0240_LK_Godin_Nylon_SF2_file',
   //'0240_SBLive_sf2',
   //'0240_SoundBlasterOld_sf2',
-  '0241_GeneralUserGS_sf2_file',
+  // '0241_GeneralUserGS_sf2_file', // organ like
   '0241_JCLive_sf2_file',
   '0242_JCLive_sf2_file',
   '0243_JCLive_sf2_file',
+
+  // Acoustic Guitar (steel): Guitar
   '0253_Acoustic_Guitar_sf2_file',
   '0250_Aspirin_sf2_file',
   '0250_Chaos_sf2_file',
   '0250_FluidR3_GM_sf2_file',
   '0250_GeneralUserGS_sf2_file',
-  '0250_JCLive_sf2_file',
+  // '0250_JCLive_sf2_file', // detuned
   '0250_LK_AcousticSteel_SF2_file',
   //'0250_SBLive_sf2',
   //'0250_SoundBlasterOld_sf2',
-  '0251_Acoustic_Guitar_sf2_file',
-  '0251_GeneralUserGS_sf2_file',
-  '0252_Acoustic_Guitar_sf2_file',
-  '0252_GeneralUserGS_sf2_file',
+  //'0251_Acoustic_Guitar_sf2_file', // detuned?
+  // '0251_GeneralUserGS_sf2_file', // broken: missing pitches
+  // '0252_Acoustic_Guitar_sf2_file', // detuned..
+  // '0252_GeneralUserGS_sf2_file', // broken: missing pitches
   '0253_Acoustic_Guitar_sf2_file',
   '0253_GeneralUserGS_sf2_file',
-  '0254_Acoustic_Guitar_sf2_file',
+  '0254_Acoustic_Guitar_sf2_file', // bends.. detuned
   '0254_GeneralUserGS_sf2_file',
-  '0255_GeneralUserGS_sf2_file',
-  '0260_Aspirin_sf2_file',
-  '0260_Chaos_sf2_file',
+  //'0255_GeneralUserGS_sf2_file', // no guitar..
+
+  // Electric Guitar (jazz): Guitar
+  '0260_Aspirin_sf2_file', // sounds like an epiano
+  '0260_Chaos_sf2_file', // weird but cool detune
   '0260_FluidR3_GM_sf2_file',
   '0260_GeneralUserGS_sf2_file',
   '0260_JCLive_sf2_file',
   //'0260_SBLive_sf2',
   //'0260_SoundBlasterOld_sf2',
-  '0260_Stratocaster_sf2_file',
+  '0260_Stratocaster_sf2_file', // -1 octave
   '0261_GeneralUserGS_sf2_file',
   //'0261_SoundBlasterOld_sf2',
-  '0261_Stratocaster_sf2_file',
-  '0262_Stratocaster_sf2_file',
+  '0261_Stratocaster_sf2_file', // -1 octave
+  '0262_Stratocaster_sf2_file', // -1 octave
+
+  // Electric Guitar (clean): Guitar
   '0270_Aspirin_sf2_file',
-  '0270_Chaos_sf2_file',
+  '0270_Chaos_sf2_file', // sounds meh
   '0270_FluidR3_GM_sf2_file',
   '0270_GeneralUserGS_sf2_file',
-  '0270_Gibson_Les_Paul_sf2_file',
-  '0270_JCLive_sf2_file',
+  //'0270_Gibson_Les_Paul_sf2_file', // detuned
+  // '0270_JCLive_sf2_file', // broken: missing notes
   '0270_SBAWE32_sf2_file',
   //'0270_SBLive_sf2',
   //'0270_SoundBlasterOld_sf2',
-  '0270_Stratocaster_sf2_file',
+  '0270_Stratocaster_sf2_file', // -1 octave
   '0271_GeneralUserGS_sf2_file',
-  '0271_Stratocaster_sf2_file',
-  '0272_Stratocaster_sf2_file',
+  '0271_Stratocaster_sf2_file', // -1 octave
+  '0272_Stratocaster_sf2_file', // -1 octave
+
+  // Electric Guitar (muted): Guitar
   '0280_Aspirin_sf2_file',
   '0280_Chaos_sf2_file',
-  '0280_FluidR3_GM_sf2_file',
+  // '0280_FluidR3_GM_sf2_file', // broken: wrong notes
   '0280_GeneralUserGS_sf2_file',
   '0280_JCLive_sf2_file',
-  '0280_LesPaul_sf2',
-  '0280_LesPaul_sf2_file',
+  //'0280_LesPaul_sf2', // missing
+  '0280_LesPaul_sf2_file', // not really muted..
   '0280_SBAWE32_sf2_file',
   //'0280_SBLive_sf2',
   //'0280_SoundBlasterOld_sf2',
@@ -312,140 +380,165 @@ export const instruments = [
   '0281_FluidR3_GM_sf2_file',
   '0281_GeneralUserGS_sf2_file',
   '0282_FluidR3_GM_sf2_file',
-  '0282_GeneralUserGS_sf2_file',
-  '0283_GeneralUserGS_sf2_file',
+  // '0282_GeneralUserGS_sf2_file', // broken: missing notes
+  // '0283_GeneralUserGS_sf2_file', // missing
+
+  // Overdriven Guitar: Guitar
   '0290_Aspirin_sf2_file',
   '0290_Chaos_sf2_file',
   '0290_FluidR3_GM_sf2_file',
   '0290_GeneralUserGS_sf2_file',
-  '0290_JCLive_sf2_file',
-  '0290_LesPaul_sf2',
+  //'0290_JCLive_sf2_file', // detuned....
+  //'0290_LesPaul_sf2', // broken
   '0290_LesPaul_sf2_file',
   '0290_SBAWE32_sf2_file',
   //'0290_SBLive_sf2',
   //'0290_SoundBlasterOld_sf2',
-  '0291_Aspirin_sf2_file',
-  '0291_LesPaul_sf2',
+  // '0291_Aspirin_sf2_file', // broken
+  // '0291_LesPaul_sf2', // broken
   '0291_LesPaul_sf2_file',
   '0291_SBAWE32_sf2_file',
   //'0291_SoundBlasterOld_sf2',
   '0292_Aspirin_sf2_file',
-  '0292_LesPaul_sf2',
+  // '0292_LesPaul_sf2', // broken
   '0292_LesPaul_sf2_file',
+
+  // Distortion Guitar: Guitar
   '0300_Aspirin_sf2_file',
   '0300_Chaos_sf2_file',
   '0300_FluidR3_GM_sf2_file',
   '0300_GeneralUserGS_sf2_file',
-  '0300_JCLive_sf2_file',
-  '0300_LesPaul_sf2',
+  // '0300_JCLive_sf2_file', // broken
+  // '0300_LesPaul_sf2', // broken
   '0300_LesPaul_sf2_file',
-  '0300_SBAWE32_sf2_file',
+  //'0300_SBAWE32_sf2_file', // -2 octave
   //'0300_SBLive_sf2',
   //'0300_SoundBlasterOld_sf2',
-  '0301_Aspirin_sf2_file',
-  '0301_FluidR3_GM_sf2_file',
-  '0301_GeneralUserGS_sf2_file',
-  '0301_JCLive_sf2_file',
-  '0301_LesPaul_sf2',
-  '0301_LesPaul_sf2_file',
+  // '0301_Aspirin_sf2_file', // missing
+
+  //'0301_FluidR3_GM_sf2_file', // weird broken bell
+  // '0301_GeneralUserGS_sf2_file', // broken
+  // '0301_JCLive_sf2_file', // broken
+  // '0301_LesPaul_sf2', // missing
+  // '0301_LesPaul_sf2_file', // + 1 oct?
   '0302_Aspirin_sf2_file',
-  '0302_GeneralUserGS_sf2_file',
-  '0302_JCLive_sf2_file',
-  '0303_Aspirin_sf2_file',
+  // '0302_GeneralUserGS_sf2_file', // not a guitar..
+  //'0302_JCLive_sf2_file', // broken...
+  // '0303_Aspirin_sf2_file', // guitar harmonic??
   '0304_Aspirin_sf2_file',
+
+  // Guitar Harmonics: Guitar
   '0310_Aspirin_sf2_file',
   '0310_Chaos_sf2_file',
-  '0310_FluidR3_GM_sf2_file',
-  '0310_GeneralUserGS_sf2_file',
-  '0310_JCLive_sf2_file',
-  '0310_LesPaul_sf2',
-  '0310_LesPaul_sf2_file',
-  '0310_SBAWE32_sf2_file',
+  '0310_FluidR3_GM_sf2_file', // weird..
+  //'0310_GeneralUserGS_sf2_file', // weird..
+  // '0310_JCLive_sf2_file', // weird
+  //'0310_LesPaul_sf2', // missing
+  //'0310_LesPaul_sf2_file', // wrong pitches
+  //'0310_SBAWE32_sf2_file', // wrong pitches
   //'0310_SBLive_sf2',
   //'0310_SoundBlasterOld_sf2',
-  '0311_FluidR3_GM_sf2_file',
-  '0311_GeneralUserGS_sf2_file',
+  //'0311_FluidR3_GM_sf2_file', // knackt
+  //'0311_GeneralUserGS_sf2_file', // wrong notes
+
+  // Acoustic Bass: Bass
   '0320_Aspirin_sf2_file',
   '0320_Chaos_sf2_file',
   '0320_FluidR3_GM_sf2_file',
-  '0320_GeneralUserGS_sf2_file',
+  // '0320_GeneralUserGS_sf2_file', // missing notes
   '0320_JCLive_sf2_file',
   //'0320_SBLive_sf2',
   //'0320_SoundBlasterOld_sf2',
-  '0321_GeneralUserGS_sf2_file',
-  '0322_GeneralUserGS_sf2_file',
+  // '0321_GeneralUserGS_sf2_file', // nice sound but missing notes
+  // '0322_GeneralUserGS_sf2_file', // missing notes
+
+  // Electric Bass (finger): Bass
   '0330_Aspirin_sf2_file',
-  '0330_Chaos_sf2_file',
-  '0330_FluidR3_GM_sf2_file',
-  '0330_GeneralUserGS_sf2_file',
+  //'0330_Chaos_sf2_file', // same as last
+  '0330_FluidR3_GM_sf2_file', // knackt..
+  '0330_GeneralUserGS_sf2_file', // -1 oct
   '0330_JCLive_sf2_file',
   //'0330_SBLive_sf2',
   //'0330_SoundBlasterOld_sf2',
-  '0331_GeneralUserGS_sf2_file',
-  '0332_GeneralUserGS_sf2_file',
+  //'0331_GeneralUserGS_sf2_file', // knackt
+  // '0332_GeneralUserGS_sf2_file', // missing
+
+  // Electric Bass (pick): Bass
   '0340_Aspirin_sf2_file',
-  '0340_Chaos_sf2_file',
+  //'0340_Chaos_sf2_file', // same as last
   '0340_FluidR3_GM_sf2_file',
-  '0340_GeneralUserGS_sf2_file',
+  '0340_GeneralUserGS_sf2_file', // -1oct
   '0340_JCLive_sf2_file',
   //'0340_SBLive_sf2',
   //'0340_SoundBlasterOld_sf2',
   '0341_Aspirin_sf2_file',
-  '0341_GeneralUserGS_sf2_file',
+  //'0341_GeneralUserGS_sf2_file', // knackt
+
+  // Fretless Bass: Bass
   '0350_Aspirin_sf2_file',
-  '0350_Chaos_sf2_file',
-  '0350_FluidR3_GM_sf2_file',
-  '0350_GeneralUserGS_sf2_file',
-  '0350_JCLive_sf2_file',
+  // '0350_Chaos_sf2_file', // same as last
+  //'0350_FluidR3_GM_sf2_file', // knackt
+  //'0350_GeneralUserGS_sf2_file', // -1 oct + knackt
+  '0350_JCLive_sf2_file', // weird detuned
   //'0350_SBLive_sf2',
   //'0350_SoundBlasterOld_sf2',
-  '0351_GeneralUserGS_sf2_file',
+  //'0351_GeneralUserGS_sf2_file', // missing
+
+  // Slap Bass 1: Bass
   '0360_Aspirin_sf2_file',
   '0360_Chaos_sf2_file',
-  '0360_FluidR3_GM_sf2_file',
-  '0360_GeneralUserGS_sf2_file',
+  '0360_FluidR3_GM_sf2_file', // knackt
+  //'0360_GeneralUserGS_sf2_file', // -1 oct
   '0360_JCLive_sf2_file',
   //'0360_SBLive_sf2',
   //'0360_SoundBlasterOld_sf2',
-  '0361_GeneralUserGS_sf2_file',
+  //'0361_GeneralUserGS_sf2_file', // missing
+
+  // Slap Bass 2: Bass
   '0370_Aspirin_sf2_file',
-  '0370_Chaos_sf2_file',
+  // '0370_Chaos_sf2_file', // same as last
   '0370_FluidR3_GM_sf2_file',
   '0370_GeneralUserGS_sf2_file',
   '0370_JCLive_sf2_file',
   //'0370_SBLive_sf2',
   //'0370_SoundBlasterOld_sf2',
-  '0371_GeneralUserGS_sf2_file',
-  '0372_GeneralUserGS_sf2_file',
-  '0385_GeneralUserGS_sf2_file',
-  '0380_Aspirin_sf2_file',
+  //'0371_GeneralUserGS_sf2_file', // missing
+  //'0372_GeneralUserGS_sf2_file', // detuned
+  //'0385_GeneralUserGS_sf2_file', // missing
+
+  // Synth Bass 1: Bass
+  '0380_Aspirin_sf2_file', // laut!
   '0380_Chaos_sf2_file',
-  '0380_FluidR3_GM_sf2_file',
-  '0380_GeneralUserGS_sf2_file',
+  '0380_FluidR3_GM_sf2_file', // bisl detuned
+  // '0380_GeneralUserGS_sf2_file', // laut
   '0380_JCLive_sf2_file',
   //'0380_SBLive_sf2',
   //'0380_SoundBlasterOld_sf2',
-  '0381_FluidR3_GM_sf2_file',
+  '0381_FluidR3_GM_sf2_file', // bisl detuned
   '0381_GeneralUserGS_sf2_file',
-  '0382_FluidR3_GM_sf2_file',
+  //'0382_FluidR3_GM_sf2_file', // kein synth bass
   '0382_GeneralUserGS_sf2_file',
   '0383_GeneralUserGS_sf2_file',
   '0384_GeneralUserGS_sf2_file',
-  '0386_GeneralUserGS_sf2_file',
+  //'0386_GeneralUserGS_sf2_file', // knackt
   '0387_GeneralUserGS_sf2_file',
+
+  // Synth Bass 2: Bass
   '0390_Aspirin_sf2_file',
-  '0390_Chaos_sf2_file',
+  // '0390_Chaos_sf2_file', // same as last
   '0390_FluidR3_GM_sf2_file',
   '0390_GeneralUserGS_sf2_file',
   '0390_JCLive_sf2_file',
   //'0390_SBLive_sf2',
   //'0390_SoundBlasterOld_sf2',
-  '0391_FluidR3_GM_sf2_file',
-  '0391_GeneralUserGS_sf2_file',
+  '0391_FluidR3_GM_sf2_file', // lauuut
+  // '0391_GeneralUserGS_sf2_file', // missing
   //'0391_SoundBlasterOld_sf2',
-  '0392_FluidR3_GM_sf2_file',
-  '0392_GeneralUserGS_sf2_file',
-  '0393_GeneralUserGS_sf2_file',
+  '0392_FluidR3_GM_sf2_file', // lauut
+  //'0392_GeneralUserGS_sf2_file', // kein synth und -1oct
+  '0393_GeneralUserGS_sf2_file', // lauuuut
+
+  // Violin: Strings
   '0400_Aspirin_sf2_file',
   '0400_Chaos_sf2_file',
   '0400_FluidR3_GM_sf2_file',
@@ -453,333 +546,403 @@ export const instruments = [
   '0400_JCLive_sf2_file',
   //'0400_SBLive_sf2',
   //'0400_SoundBlasterOld_sf2',
-  '0401_Aspirin_sf2_file',
+  '0401_Aspirin_sf2_file', // synth
   '0401_FluidR3_GM_sf2_file',
   '0401_GeneralUserGS_sf2_file',
-  '0402_GeneralUserGS_sf2_file',
+  '0402_GeneralUserGS_sf2_file', // pizzicato
+
+  // Viola: Strings
   '0410_Aspirin_sf2_file',
-  '0410_Chaos_sf2_file',
+  // '0410_Chaos_sf2_file', // laut und sehr unstringy
   '0410_FluidR3_GM_sf2_file',
   '0410_GeneralUserGS_sf2_file',
-  '0410_JCLive_sf2_file',
+  '0410_JCLive_sf2_file', // <3
   //'0410_SBLive_sf2',
   //'0410_SoundBlasterOld_sf2',
   '0411_FluidR3_GM_sf2_file',
+
+  // Cello: Strings
   '0420_Aspirin_sf2_file',
-  '0420_Chaos_sf2_file',
+  // '0420_Chaos_sf2_file', // kein cello und laut
   '0420_FluidR3_GM_sf2_file',
   '0420_GeneralUserGS_sf2_file',
   '0420_JCLive_sf2_file',
   //'0420_SBLive_sf2',
   //'0420_SoundBlasterOld_sf2',
   '0421_FluidR3_GM_sf2_file',
-  '0421_GeneralUserGS_sf2_file',
+  '0421_GeneralUserGS_sf2_file', // pizzicato
+
+  // Contrabass: Strings
   '0430_Aspirin_sf2_file',
   '0430_Chaos_sf2_file',
-  '0430_FluidR3_GM_sf2_file',
+  // '0430_FluidR3_GM_sf2_file', // missing notes
   '0430_GeneralUserGS_sf2_file',
-  '0430_JCLive_sf2_file',
+  //'0430_JCLive_sf2_file', // -1 oct und meh
   //'0430_SBLive_sf2',
   //'0430_SoundBlasterOld_sf2',
-  '0431_FluidR3_GM_sf2_file',
+  // '0431_FluidR3_GM_sf2_file', // missing notes
+
+  // Tremolo Strings: Strings
   '0440_Aspirin_sf2_file',
   '0440_Chaos_sf2_file',
-  '0440_FluidR3_GM_sf2_file',
+  //'0440_FluidR3_GM_sf2_file', // huuuge
   '0440_GeneralUserGS_sf2_file',
   '0440_JCLive_sf2_file',
   //'0440_SBLive_sf2',
   //'0440_SoundBlasterOld_sf2',
   '0441_GeneralUserGS_sf2_file',
   '0442_GeneralUserGS_sf2_file',
+
+  // Pizzicato Strings: Strings
   '0450_Aspirin_sf2_file',
-  '0450_Chaos_sf2_file',
-  '0450_FluidR3_GM_sf2_file',
-  '0450_GeneralUserGS_sf2_file',
-  '0450_JCLive_sf2_file',
+  '0450_Chaos_sf2_file', // same as last
+  '0450_FluidR3_GM_sf2_file', // chrono trigger flashback
+  '0450_GeneralUserGS_sf2_file', // -1 oct?
+  '0450_JCLive_sf2_file', // filter env
   //'0450_SBLive_sf2',
   //'0450_SoundBlasterOld_sf2',
   '0451_FluidR3_GM_sf2_file',
+
+  // Orchestral Harp: Strings
   '0460_Aspirin_sf2_file',
-  '0460_Chaos_sf2_file',
+  // '0460_Chaos_sf2_file', // knackt
   '0460_FluidR3_GM_sf2_file',
   '0460_GeneralUserGS_sf2_file',
   '0460_JCLive_sf2_file',
   //'0460_SBLive_sf2',
   //'0460_SoundBlasterOld_sf2',
   '0461_FluidR3_GM_sf2_file',
+
+  // Timpani: Strings
   '0470_Aspirin_sf2_file',
   '0470_Chaos_sf2_file',
   '0470_FluidR3_GM_sf2_file',
   '0470_GeneralUserGS_sf2_file',
-  '0470_JCLive_sf2_file',
+  // '0470_JCLive_sf2_file', // wrong pitches
   //'0470_SBLive_sf2',
   //'0470_SoundBlasterOld_sf2',
   '0471_FluidR3_GM_sf2_file',
   '0471_GeneralUserGS_sf2_file',
+
+  // String Ensemble 1: Ensemble
   '0480_Aspirin_sf2_file',
   '0480_Chaos_sf2_file',
-  '0480_FluidR3_GM_sf2_file',
+  '0480_FluidR3_GM_sf2_file', // large
   '0480_GeneralUserGS_sf2_file',
   '0480_JCLive_sf2_file',
   //'0480_SBLive_sf2',
   //'0480_SoundBlasterOld_sf2',
-  '04810_GeneralUserGS_sf2_file',
-  '04811_GeneralUserGS_sf2_file',
-  '04812_GeneralUserGS_sf2_file',
-  '04813_GeneralUserGS_sf2_file',
-  '04814_GeneralUserGS_sf2_file',
-  '04815_GeneralUserGS_sf2_file',
-  '04816_GeneralUserGS_sf2_file',
-  '04817_GeneralUserGS_sf2_file',
+
+  // these dont work..
+  //'04810_GeneralUserGS_sf2_file', // missing notes + brass
+  //'04811_GeneralUserGS_sf2_file',  // missing notes + brass
+  //'04812_GeneralUserGS_sf2_file',
+  //'04813_GeneralUserGS_sf2_file',
+  //'04814_GeneralUserGS_sf2_file',
+  //'04815_GeneralUserGS_sf2_file',
+  //'04816_GeneralUserGS_sf2_file',
+  //'04817_GeneralUserGS_sf2_file',
+
   '0481_Aspirin_sf2_file',
-  '0481_FluidR3_GM_sf2_file',
+  '0481_FluidR3_GM_sf2_file', // brass
   '0481_GeneralUserGS_sf2_file',
-  '0482_Aspirin_sf2_file',
+  '0482_Aspirin_sf2_file', // brass
   '0482_GeneralUserGS_sf2_file',
-  '0483_GeneralUserGS_sf2_file',
-  '0484_GeneralUserGS_sf2_file',
-  '0485_GeneralUserGS_sf2_file',
-  '0486_GeneralUserGS_sf2_file',
-  '0487_GeneralUserGS_sf2_file',
-  '0488_GeneralUserGS_sf2_file',
-  '0489_GeneralUserGS_sf2_file',
+  '0483_GeneralUserGS_sf2_file', // brass
+  // another block of buggyness:
+  //'0484_GeneralUserGS_sf2_file', // keys?! + knackt
+  //'0485_GeneralUserGS_sf2_file', // missing notes
+  //'0486_GeneralUserGS_sf2_file',
+  //'0487_GeneralUserGS_sf2_file',
+  //'0488_GeneralUserGS_sf2_file',
+  //'0489_GeneralUserGS_sf2_file',
+
+  // String Ensemble 2: Ensemble
   '0490_Aspirin_sf2_file',
   '0490_Chaos_sf2_file',
-  '0490_FluidR3_GM_sf2_file',
+  '0490_FluidR3_GM_sf2_file', // large
   '0490_GeneralUserGS_sf2_file',
   '0490_JCLive_sf2_file',
   //'0490_SBLive_sf2',
   //'0490_SoundBlasterOld_sf2',
   '0491_GeneralUserGS_sf2_file',
   '0492_GeneralUserGS_sf2_file',
+
+  // Synth Strings 1: Ensemble
   '0500_Aspirin_sf2_file',
-  '0500_Chaos_sf2_file',
-  '0500_FluidR3_GM_sf2_file',
+  // '0500_Chaos_sf2_file', // same as above
+  //'0500_FluidR3_GM_sf2_file', // detune + knack
   '0500_GeneralUserGS_sf2_file',
   '0500_JCLive_sf2_file',
   //'0500_SBLive_sf2',
   //'0500_SoundBlasterOld_sf2',
   '0501_FluidR3_GM_sf2_file',
-  '0501_GeneralUserGS_sf2_file',
-  '0502_FluidR3_GM_sf2_file',
+  // '0501_GeneralUserGS_sf2_file', // crackles
+  // '0502_FluidR3_GM_sf2_file', // missing
   '0502_GeneralUserGS_sf2_file',
-  '0503_FluidR3_GM_sf2_file',
-  '0504_FluidR3_GM_sf2_file',
+  '0503_FluidR3_GM_sf2_file', // large
+  // '0504_FluidR3_GM_sf2_file', // missing
   '0505_FluidR3_GM_sf2_file',
+
+  // Synth Strings 2: Ensemble
   '0510_Aspirin_sf2_file',
   '0510_Chaos_sf2_file',
-  '0510_FluidR3_GM_sf2_file',
+  // '0510_FluidR3_GM_sf2_file', // detune + crackle
   '0510_GeneralUserGS_sf2_file',
-  '0510_JCLive_sf2_file',
-  //'0510_SBLive_sf2',
+  //'0510_JCLive_sf2_file', // laarge and meh
+  //'0510_SBLive_sf2', // missing
   //'0510_SoundBlasterOld_sf2',
-  '0511_GeneralUserGS_sf2_file',
+  '0511_GeneralUserGS_sf2_file', // crackly
   //'0511_SoundBlasterOld_sf2',
+
+  // Choir Aahs: Ensemble
   '0520_Aspirin_sf2_file',
   '0520_Chaos_sf2_file',
   '0520_FluidR3_GM_sf2_file',
   '0520_GeneralUserGS_sf2_file',
   '0520_JCLive_sf2_file',
   //'0520_SBLive_sf2',
-  '0520_Soul_Ahhs_sf2_file',
+  '0520_Soul_Ahhs_sf2_file', // large
   //'0520_SoundBlasterOld_sf2',
   '0521_FluidR3_GM_sf2_file',
-  '0521_Soul_Ahhs_sf2_file',
+  '0521_Soul_Ahhs_sf2_file', // large
   //'0521_SoundBlasterOld_sf2',
-  '0522_Soul_Ahhs_sf2_file',
+  '0522_Soul_Ahhs_sf2_file', // large
+
+  // Voice Oohs: Ensemble
   '0530_Aspirin_sf2_file',
   '0530_Chaos_sf2_file',
   '0530_FluidR3_GM_sf2_file',
   '0530_GeneralUserGS_sf2_file',
-  '0530_JCLive_sf2_file',
+  //'0530_JCLive_sf2_file', // same as above
   //'0530_SBLive_sf2',
-  '0530_Soul_Ahhs_sf2_file',
+  // '0530_Soul_Ahhs_sf2_file', // not ooh
   //'0530_SoundBlasterOld_sf2',
   '0531_FluidR3_GM_sf2_file',
-  '0531_GeneralUserGS_sf2_file',
+  // '0531_GeneralUserGS_sf2_file', // ends crackle
   '0531_JCLive_sf2_file',
   //'0531_SoundBlasterOld_sf2',
+
+  // Synth Choir: Ensemble
   '0540_Aspirin_sf2_file',
   '0540_Chaos_sf2_file',
   '0540_FluidR3_GM_sf2_file',
   '0540_GeneralUserGS_sf2_file',
-  '0540_JCLive_sf2_file',
+  //'0540_JCLive_sf2_file', // large + crackles
   //'0540_SBLive_sf2',
   //'0540_SoundBlasterOld_sf2',
   '0541_FluidR3_GM_sf2_file',
+
+  // Orchestra Hit: Ensemble
   '0550_Aspirin_sf2_file',
   '0550_Chaos_sf2_file',
   '0550_FluidR3_GM_sf2_file',
   '0550_GeneralUserGS_sf2_file',
-  '0550_JCLive_sf2_file',
+  //'0550_JCLive_sf2_file', // same as above
   //'0550_SBLive_sf2',
   //'0550_SoundBlasterOld_sf2',
-  '0551_Aspirin_sf2_file',
+  //'0551_Aspirin_sf2_file', // not an orch hit..
   '0551_FluidR3_GM_sf2_file',
+
+  // Trumpet: Brass
   '0560_Aspirin_sf2_file',
   '0560_Chaos_sf2_file',
   '0560_FluidR3_GM_sf2_file',
-  '0560_GeneralUserGS_sf2_file',
+  //'0560_GeneralUserGS_sf2_file', // -1 oct
   '0560_JCLive_sf2_file',
   //'0560_SBLive_sf2',
   //'0560_SoundBlasterOld_sf2',
+
+  // Trombone: Brass
   '0570_Aspirin_sf2_file',
   '0570_Chaos_sf2_file',
   '0570_FluidR3_GM_sf2_file',
   '0570_GeneralUserGS_sf2_file',
-  '0570_JCLive_sf2_file',
+  //'0570_JCLive_sf2_file', // -1oct
   //'0570_SBLive_sf2',
   //'0570_SoundBlasterOld_sf2',
   '0571_GeneralUserGS_sf2_file',
+
+  // Tuba: Brass
   '0580_Aspirin_sf2_file',
   '0580_Chaos_sf2_file',
   '0580_FluidR3_GM_sf2_file',
   '0580_GeneralUserGS_sf2_file',
-  '0580_JCLive_sf2_file',
+  //'0580_JCLive_sf2_file', // -1oct
   //'0580_SBLive_sf2',
   //'0580_SoundBlasterOld_sf2',
-  '0581_GeneralUserGS_sf2_file',
+  //'0581_GeneralUserGS_sf2_file', // missing
+
+  // Muted Trumpet: Brass
   '0590_Aspirin_sf2_file',
   '0590_Chaos_sf2_file',
   '0590_FluidR3_GM_sf2_file',
   '0590_GeneralUserGS_sf2_file',
-  '0590_JCLive_sf2_file',
+  '0590_JCLive_sf2_file', // winner
   //'0590_SBLive_sf2',
   //'0590_SoundBlasterOld_sf2',
-  '0591_GeneralUserGS_sf2_file',
+  // '0591_GeneralUserGS_sf2_file', // missing
+
+  // French Horn: Brass
   '0600_Aspirin_sf2_file',
-  '0600_Chaos_sf2_file',
-  '0600_FluidR3_GM_sf2_file',
-  '0600_GeneralUserGS_sf2_file',
-  '0600_JCLive_sf2_file',
+  //'0600_Chaos_sf2_file', // weird jumps
+  '0600_FluidR3_GM_sf2_file', // tiny crackles
+  '0600_GeneralUserGS_sf2_file', // tiny crackles
+  '0600_JCLive_sf2_file', // tiny crackles
   //'0600_SBLive_sf2',
   //'0600_SoundBlasterOld_sf2',
   '0601_FluidR3_GM_sf2_file',
-  '0601_GeneralUserGS_sf2_file',
-  '0602_GeneralUserGS_sf2_file',
-  '0603_GeneralUserGS_sf2_file',
+  //'0601_GeneralUserGS_sf2_file', // tiny crackles
+  // '0602_GeneralUserGS_sf2_file', // bad gain diffs
+  // '0603_GeneralUserGS_sf2_file', // tiny crackles
+
+  // Brass Section: Brass
   '0610_Aspirin_sf2_file',
   '0610_Chaos_sf2_file',
-  '0610_FluidR3_GM_sf2_file',
+  '0610_FluidR3_GM_sf2_file', // large
   '0610_GeneralUserGS_sf2_file',
   '0610_JCLive_sf2_file',
   //'0610_SBLive_sf2',
   //'0610_SoundBlasterOld_sf2',
-  '0611_GeneralUserGS_sf2_file',
+  // '0611_GeneralUserGS_sf2_file', // missing sounds
   '0612_GeneralUserGS_sf2_file',
-  '0613_GeneralUserGS_sf2_file',
-  '0614_GeneralUserGS_sf2_file',
-  '0615_GeneralUserGS_sf2_file',
+  //'0613_GeneralUserGS_sf2_file', // -1 oct
+  // '0614_GeneralUserGS_sf2_file', // missing sounds
+  // '0615_GeneralUserGS_sf2_file', // missing sounds
+
+  // Synth Brass 1: Brass
   '0620_Aspirin_sf2_file',
-  '0620_Chaos_sf2_file',
+  //'0620_Chaos_sf2_file', // weird gain diff
   '0620_FluidR3_GM_sf2_file',
-  '0620_GeneralUserGS_sf2_file',
-  '0620_JCLive_sf2_file',
+  //'0620_GeneralUserGS_sf2_file', // loooud
+  // '0620_JCLive_sf2_file', // weird gain diff
   //'0620_SBLive_sf2',
   //'0620_SoundBlasterOld_sf2',
   '0621_Aspirin_sf2_file',
   '0621_FluidR3_GM_sf2_file',
-  '0621_GeneralUserGS_sf2_file',
-  '0622_FluidR3_GM_sf2_file',
-  '0622_GeneralUserGS_sf2_file',
+  // '0621_GeneralUserGS_sf2_file', // detune + loooud
+  //'0622_FluidR3_GM_sf2_file', // loud..
+  //'0622_GeneralUserGS_sf2_file', // loud + crackles
+
+  // Synth Brass 2: Brass
   '0630_Aspirin_sf2_file',
   '0630_Chaos_sf2_file',
   '0630_FluidR3_GM_sf2_file',
-  '0630_GeneralUserGS_sf2_file',
+  //'0630_GeneralUserGS_sf2_file', // detune + looud
   '0630_JCLive_sf2_file',
   //'0630_SBLive_sf2',
   //'0630_SoundBlasterOld_sf2',
-  '0631_Aspirin_sf2_file',
+  // '0631_Aspirin_sf2_file', // looud + detune + gain diffs
   '0631_FluidR3_GM_sf2_file',
-  '0631_GeneralUserGS_sf2_file',
+  //'0631_GeneralUserGS_sf2_file', // crackles
   '0632_FluidR3_GM_sf2_file',
-  '0633_FluidR3_GM_sf2_file',
+  '0633_FluidR3_GM_sf2_file', // tiny crackles
+
+  // Soprano Sax: Reed
   '0640_Aspirin_sf2_file',
   '0640_Chaos_sf2_file',
   '0640_FluidR3_GM_sf2_file',
-  '0640_GeneralUserGS_sf2_file',
+  // '0640_GeneralUserGS_sf2_file', // crackles
   '0640_JCLive_sf2_file',
   //'0640_SBLive_sf2',
   //'0640_SoundBlasterOld_sf2',
   '0641_FluidR3_GM_sf2_file',
-  '0650_Aspirin_sf2_file',
+
+  // Alto Sax: Reed
+  //'0650_Aspirin_sf2_file', // this is not an alto sax
   '0650_Chaos_sf2_file',
-  '0650_FluidR3_GM_sf2_file',
+  '0650_FluidR3_GM_sf2_file', // sounds really stringy
   '0650_GeneralUserGS_sf2_file',
   '0650_JCLive_sf2_file',
   //'0650_SBLive_sf2',
   //'0650_SoundBlasterOld_sf2',
   '0651_Aspirin_sf2_file',
-  '0651_FluidR3_GM_sf2_file',
+  '0651_FluidR3_GM_sf2_file', // really stringy
   '0660_Aspirin_sf2_file',
   '0660_Chaos_sf2_file',
-  '0660_FluidR3_GM_sf2_file',
+  //'0660_FluidR3_GM_sf2_file', // weird pitches
   '0660_GeneralUserGS_sf2_file',
   '0660_JCLive_sf2_file',
   //'0660_SBLive_sf2',
   //'0660_SoundBlasterOld_sf2',
-  '0661_FluidR3_GM_sf2_file',
-  '0661_GeneralUserGS_sf2_file',
+  // '0661_FluidR3_GM_sf2_file', // weird pitches
+  // '0661_GeneralUserGS_sf2_file', // missing
+
+  // Baritone Sax: Reed
   '0670_Aspirin_sf2_file',
   '0670_Chaos_sf2_file',
-  '0670_FluidR3_GM_sf2_file',
+  '0670_FluidR3_GM_sf2_file', // huge
   '0670_GeneralUserGS_sf2_file',
   '0670_JCLive_sf2_file',
   //'0670_SBLive_sf2',
   //'0670_SoundBlasterOld_sf2',
-  '0671_FluidR3_GM_sf2_file',
-  '0680_Aspirin_sf2_file',
-  '0680_Chaos_sf2_file',
-  '0680_FluidR3_GM_sf2_file',
+  '0671_FluidR3_GM_sf2_file', // huge
+
+  // Oboe: Reed
+  //'0680_Aspirin_sf2_file', // tiny crackles
+  '0680_Chaos_sf2_file', // tiny crackles
+  '0680_FluidR3_GM_sf2_file', // tiny crackles
   '0680_GeneralUserGS_sf2_file',
   '0680_JCLive_sf2_file',
   //'0680_SBLive_sf2',
   //'0680_SoundBlasterOld_sf2',
-  '0681_FluidR3_GM_sf2_file',
+  '0681_FluidR3_GM_sf2_file', // tiny crackles
+
+  // English Horn: Reed
   '0690_Aspirin_sf2_file',
-  '0690_Chaos_sf2_file',
+  //'0690_Chaos_sf2_file', // detuned
   '0690_FluidR3_GM_sf2_file',
-  '0690_GeneralUserGS_sf2_file',
+  //'0690_GeneralUserGS_sf2_file', // +1 oct
   '0690_JCLive_sf2_file',
   //'0690_SBLive_sf2',
   //'0690_SoundBlasterOld_sf2',
-  '0691_FluidR3_GM_sf2_file',
-  '0700_Aspirin_sf2_file',
-  '0700_Chaos_sf2_file',
+  '0691_FluidR3_GM_sf2_file', // tiny crackles
+
+  // Bassoon: Reed
+  //'0700_Aspirin_sf2_file', // detune + gain diffs
+  // '0700_Chaos_sf2_file', // detune + crackles
   '0700_FluidR3_GM_sf2_file',
-  '0700_GeneralUserGS_sf2_file',
+  '0700_GeneralUserGS_sf2_file', // tiny crackles
   '0700_JCLive_sf2_file',
   //'0700_SBLive_sf2',
   //'0700_SoundBlasterOld_sf2',
-  '0701_FluidR3_GM_sf2_file',
-  '0701_GeneralUserGS_sf2_file',
-  '0710_Aspirin_sf2_file',
-  '0710_Chaos_sf2_file',
+  '0701_FluidR3_GM_sf2_file', // tiny crackles
+  //'0701_GeneralUserGS_sf2_file', // missing
+
+  // Clarinet: Reed
+  '0710_Aspirin_sf2_file', // tiny crackles
+  '0710_Chaos_sf2_file', // tiny crackles
   '0710_FluidR3_GM_sf2_file',
   '0710_GeneralUserGS_sf2_file',
   '0710_JCLive_sf2_file',
   //'0710_SBLive_sf2',
   //'0710_SoundBlasterOld_sf2',
   '0711_FluidR3_GM_sf2_file',
-  '0720_Aspirin_sf2_file',
-  '0720_Chaos_sf2_file',
+
+  // Piccolo: Pipe
+  '0720_Aspirin_sf2_file', // +1oct
+  // '0720_Chaos_sf2_file', // not a piccolo
   '0720_FluidR3_GM_sf2_file',
-  '0720_GeneralUserGS_sf2_file',
+  '0720_GeneralUserGS_sf2_file', // crackles
   '0720_JCLive_sf2_file',
   //'0720_SBLive_sf2',
   //'0720_SoundBlasterOld_sf2',
   '0721_FluidR3_GM_sf2_file',
   //'0721_SoundBlasterOld_sf2',
+
+  // Flute: Pipe
   '0730_Aspirin_sf2_file',
-  '0730_Chaos_sf2_file',
+  //'0730_Chaos_sf2_file', // etune
   '0730_FluidR3_GM_sf2_file',
   '0730_GeneralUserGS_sf2_file',
   '0730_JCLive_sf2_file',
   //'0730_SBLive_sf2',
   //'0730_SoundBlasterOld_sf2',
-  '0731_Aspirin_sf2_file',
+  //'0731_Aspirin_sf2_file', // not a flute
   '0731_FluidR3_GM_sf2_file',
   //'0731_SoundBlasterOld_sf2',
+
+  // Recorder: Pipe
   '0740_Aspirin_sf2_file',
   '0740_Chaos_sf2_file',
   '0740_FluidR3_GM_sf2_file',
@@ -787,19 +950,23 @@ export const instruments = [
   '0740_JCLive_sf2_file',
   //'0740_SBLive_sf2',
   //'0740_SoundBlasterOld_sf2',
-  '0741_GeneralUserGS_sf2_file',
-  '0750_Aspirin_sf2_file',
+  // '0741_GeneralUserGS_sf2_file', // missing
+
+  // Pan Flute: Pipe
+  '0750_Aspirin_sf2_file', // staccato
   '0750_Chaos_sf2_file',
   '0750_FluidR3_GM_sf2_file',
-  '0750_GeneralUserGS_sf2_file',
+  '0750_GeneralUserGS_sf2_file', // crackles
   '0750_JCLive_sf2_file',
   //'0750_SBLive_sf2',
   //'0750_SoundBlasterOld_sf2',
   '0751_Aspirin_sf2_file',
   '0751_FluidR3_GM_sf2_file',
-  '0751_GeneralUserGS_sf2_file',
+  '0751_GeneralUserGS_sf2_file', // crackles
   //'0751_SoundBlasterOld_sf2',
-  '0760_Aspirin_sf2_file',
+
+  // Blown bottle: Pipe
+  // '0760_Aspirin_sf2_file', // same as below w crackle
   '0760_Chaos_sf2_file',
   '0760_FluidR3_GM_sf2_file',
   '0760_GeneralUserGS_sf2_file',
@@ -807,44 +974,54 @@ export const instruments = [
   //'0760_SBLive_sf2',
   //'0760_SoundBlasterOld_sf2',
   '0761_FluidR3_GM_sf2_file',
-  '0761_GeneralUserGS_sf2_file',
+  // '0761_GeneralUserGS_sf2_file', // missing
   //'0761_SoundBlasterOld_sf2',
-  '0762_GeneralUserGS_sf2_file',
-  '0770_Aspirin_sf2_file',
-  '0770_Chaos_sf2_file',
+  // '0762_GeneralUserGS_sf2_file', // missing
+
+  // Shakuhachi: Pipe
+  '0770_Aspirin_sf2_file', // staccato
+  //'0770_Chaos_sf2_file', // not shakuhachi
   '0770_FluidR3_GM_sf2_file',
   '0770_GeneralUserGS_sf2_file',
   '0770_JCLive_sf2_file',
   //'0770_SBLive_sf2',
   //'0770_SoundBlasterOld_sf2',
   '0771_FluidR3_GM_sf2_file',
-  '0771_GeneralUserGS_sf2_file',
-  '0772_GeneralUserGS_sf2_file',
-  '0780_Aspirin_sf2_file',
-  '0780_Chaos_sf2_file',
+  // '0771_GeneralUserGS_sf2_file', // missing
+  // '0772_GeneralUserGS_sf2_file', // missing
+
+  // Whistle: Pipe
+  '0780_Aspirin_sf2_file', // crackles
+  '0780_Chaos_sf2_file', // crackles
   '0780_FluidR3_GM_sf2_file',
-  '0780_GeneralUserGS_sf2_file',
-  '0780_JCLive_sf2_file',
+  //'0780_GeneralUserGS_sf2_file', // loud..
+  '0780_JCLive_sf2_file', // crackles
   //'0780_SBLive_sf2',
   //'0780_SoundBlasterOld_sf2',
-  '0781_GeneralUserGS_sf2_file',
-  '0790_Aspirin_sf2_file',
-  '0790_Chaos_sf2_file',
+  // '0781_GeneralUserGS_sf2_file', // detune + crackles
+
+  // Ocarina: Pipe
+  '0790_Aspirin_sf2_file', // tiny crackles
+  //'0790_Chaos_sf2_file', // same as above
   '0790_FluidR3_GM_sf2_file',
   '0790_GeneralUserGS_sf2_file',
-  '0790_JCLive_sf2_file',
+  '0790_JCLive_sf2_file', // crackles
   //'0790_SBLive_sf2',
   //'0790_SoundBlasterOld_sf2',
-  '0791_GeneralUserGS_sf2_file',
+  //'0791_GeneralUserGS_sf2_file', // missing
+
+  // Lead 1 (square): Synth Lead
   '0800_Aspirin_sf2_file',
   '0800_Chaos_sf2_file',
   '0800_FluidR3_GM_sf2_file',
-  '0800_GeneralUserGS_sf2_file',
-  '0800_JCLive_sf2_file',
+  // '0800_GeneralUserGS_sf2_file', // detuned
+  // '0800_JCLive_sf2_file', // detuned
   //'0800_SBLive_sf2',
   //'0800_SoundBlasterOld_sf2',
-  '0801_FluidR3_GM_sf2_file',
-  '0801_GeneralUserGS_sf2_file',
+  //'0801_FluidR3_GM_sf2_file', // detune
+  // '0801_GeneralUserGS_sf2_file', // detune
+
+  // Lead 2 (sawtooth): Synth Lead
   '0810_Aspirin_sf2_file',
   '0810_Chaos_sf2_file',
   '0810_FluidR3_GM_sf2_file',
@@ -855,63 +1032,75 @@ export const instruments = [
   '0811_Aspirin_sf2_file',
   '0811_GeneralUserGS_sf2_file',
   //'0811_SoundBlasterOld_sf2',
+
+  // Lead 3 (calliope): Synth Lead
   '0820_Aspirin_sf2_file',
   '0820_Chaos_sf2_file',
   '0820_FluidR3_GM_sf2_file',
   '0820_GeneralUserGS_sf2_file',
-  '0820_JCLive_sf2_file',
+  '0820_JCLive_sf2_file', // +1 oct
   //'0820_SBLive_sf2',
   //'0820_SoundBlasterOld_sf2',
   '0821_FluidR3_GM_sf2_file',
   '0821_GeneralUserGS_sf2_file',
   //'0821_SoundBlasterOld_sf2',
-  '0822_GeneralUserGS_sf2_file',
-  '0823_GeneralUserGS_sf2_file',
+  // '0822_GeneralUserGS_sf2_file', // missing
+  //'0823_GeneralUserGS_sf2_file', // missing
+
+  // Lead 4 (chiff): Synth Lead
   '0830_Aspirin_sf2_file',
-  '0830_Chaos_sf2_file',
+  // '0830_Chaos_sf2_file', // same as above
   '0830_FluidR3_GM_sf2_file',
   '0830_GeneralUserGS_sf2_file',
-  '0830_JCLive_sf2_file',
+  '0830_JCLive_sf2_file', // flute synth
   //'0830_SBLive_sf2',
   //'0830_SoundBlasterOld_sf2',
   '0831_FluidR3_GM_sf2_file',
   '0831_GeneralUserGS_sf2_file',
   //'0831_SoundBlasterOld_sf2',
+
+  // Lead 5 (charang): Synth Lead
   '0840_Aspirin_sf2_file',
   '0840_Chaos_sf2_file',
   '0840_FluidR3_GM_sf2_file',
   '0840_GeneralUserGS_sf2_file',
-  '0840_JCLive_sf2_file',
+  '0840_JCLive_sf2_file', // detune?
   //'0840_SBLive_sf2',
   //'0840_SoundBlasterOld_sf2',
   '0841_Aspirin_sf2_file',
   '0841_Chaos_sf2_file',
   '0841_FluidR3_GM_sf2_file',
   '0841_GeneralUserGS_sf2_file',
-  '0841_JCLive_sf2_file',
+  //'0841_JCLive_sf2_file', // +1oct + detune
   //'0841_SoundBlasterOld_sf2',
   '0842_FluidR3_GM_sf2_file',
+
+  // Lead 6 (voice): Synth Lead
   '0850_Aspirin_sf2_file',
-  '0850_Chaos_sf2_file',
+  // '0850_Chaos_sf2_file', // same as above
   '0850_FluidR3_GM_sf2_file',
-  '0850_GeneralUserGS_sf2_file',
-  '0850_JCLive_sf2_file',
+  // '0850_GeneralUserGS_sf2_file', // no voice
+  '0850_JCLive_sf2_file', // more a flute
   //'0850_SBLive_sf2',
   //'0850_SoundBlasterOld_sf2',
   '0851_FluidR3_GM_sf2_file',
   '0851_GeneralUserGS_sf2_file',
   '0851_JCLive_sf2_file',
   //'0851_SoundBlasterOld_sf2',
+
+  // Lead 7 (fifths): Synth Lead
   '0860_Aspirin_sf2_file',
   '0860_Chaos_sf2_file',
-  '0860_FluidR3_GM_sf2_file',
+  // '0860_FluidR3_GM_sf2_file', // loud and not fitting
   '0860_GeneralUserGS_sf2_file',
   '0860_JCLive_sf2_file',
   //'0860_SBLive_sf2',
   //'0860_SoundBlasterOld_sf2',
   '0861_Aspirin_sf2_file',
-  '0861_FluidR3_GM_sf2_file',
+  // '0861_FluidR3_GM_sf2_file', // lout and not fitting
   //'0861_SoundBlasterOld_sf2',
+
+  // Lead 8 (bass + lead): Synth Lead
   '0870_Aspirin_sf2_file',
   '0870_Chaos_sf2_file',
   '0870_FluidR3_GM_sf2_file',
@@ -919,9 +1108,11 @@ export const instruments = [
   '0870_JCLive_sf2_file',
   //'0870_SBLive_sf2',
   //'0870_SoundBlasterOld_sf2',
-  '0871_GeneralUserGS_sf2_file',
-  '0872_GeneralUserGS_sf2_file',
-  '0873_GeneralUserGS_sf2_file',
+  // '0871_GeneralUserGS_sf2_file', // loud + detune
+  //'0872_GeneralUserGS_sf2_file', // loud
+  //'0873_GeneralUserGS_sf2_file', // loud
+
+  // Pad 1 (new age): Synth Pad
   '0880_Aspirin_sf2_file',
   '0880_Chaos_sf2_file',
   '0880_FluidR3_GM_sf2_file',
@@ -933,8 +1124,9 @@ export const instruments = [
   '0881_FluidR3_GM_sf2_file',
   '0881_GeneralUserGS_sf2_file',
   //'0881_SoundBlasterOld_sf2',
-  '0882_Aspirin_sf2_file',
-  '0882_FluidR3_GM_sf2_file',
+  '0882_Aspirin_sf2_file', // staccato
+  // '0882_FluidR3_GM_sf2_file', // missing
+
   '0882_GeneralUserGS_sf2_file',
   '0883_GeneralUserGS_sf2_file',
   '0884_GeneralUserGS_sf2_file',
@@ -943,6 +1135,7 @@ export const instruments = [
   '0887_GeneralUserGS_sf2_file',
   '0888_GeneralUserGS_sf2_file',
   '0889_GeneralUserGS_sf2_file',
+
   '0890_Aspirin_sf2_file',
   '0890_Chaos_sf2_file',
   '0890_FluidR3_GM_sf2_file',
diff --git a/website/src/repl/Footer.jsx b/website/src/repl/Footer.jsx
index 14789234..eaa7ce33 100644
--- a/website/src/repl/Footer.jsx
+++ b/website/src/repl/Footer.jsx
@@ -251,7 +251,10 @@ function SoundsTab() {
   const trigRef = useRef();
   // stop current sound on mouseup
   useEvent('mouseup', () => {
-    trigRef.current?.then((ref) => ref?.stop(getAudioContext().currentTime + 0.01));
+    trigRef.current?.then((ref) => {
+      ref?.stop(getAudioContext().currentTime + 0.01);
+      trigRef.current = undefined;
+    });
   });
   return (
     <div id="sounds-tab" className="break-normal w-full px-4 dark:text-white text-stone-900">
@@ -264,7 +267,7 @@ function SoundsTab() {
         {soundEntries.map(([name, { data, onTrigger }]) => (
           <span
             key={name}
-            className="cursor-pointer hover:opacity-50"
+            className="cursor-pointer hover:opacity-50 block"
             onMouseDown={async () => {
               const ctx = getAudioContext();
               const params = {