make bank a normal param

packages/core/controls.mjs

@@ -100,6 +100,22 @@ const generic_params = [
     'attack',
     'a pattern of numbers to specify the attack time (in seconds) of an envelope applied to each sample.',
   ],
+
+  /**
+   * Select the sound bank to use. To be used together with `s`. The bank name (+ "_") will be prepended to the value of `s`. 
+   *
+   * @name bank
+   * @param {string | Pattern} bank the name of the bank
+   * @example
+   * s("bd sd").bank('RolandTR909') // = s("RolandTR909_bd RolandTR909_sd")
+   *
+   */
+  [
+    'f',
+    'bank',
+    'selects sound bank to use',
+  ],
+
   // TODO: find out how this works?
   /*
    * Envelope decay time = the time it takes after the attack time to reach the sustain level.

packages/webaudio/webaudio.mjs

@@ -246,6 +246,7 @@ export const webaudioOutput = async (hap, deadline, hapDuration) => {
     let {
       freq,
       s,
+      bank,
       sf,
       clip = 0, // if 1, samples will be cut off when the hap ends
       n = 0,
@@ -281,6 +282,9 @@ export const webaudioOutput = async (hap, deadline, hapDuration) => {
     gain *= velocity; // legacy fix for velocity
     // the chain will hold all audio nodes that connect to each other
     const chain = [];
+    if (bank && s) {
+      s = `${bank}_${s}`;
+    }
     if (typeof s === 'string') {
       [s, n] = splitSN(s, n);
     }

repl/src/prebake.mjs

@@ -4980,7 +4980,3 @@ Pattern.prototype.piano = function () {
       return { ...value, pan: (value.pan || 1) * pan };
     });
 };
-
-Pattern.prototype.soundbank = function (name) {
-  return this.fmap((v) => ({ ...v, s: `${name}_${v.s}` }));
-};