diff --git a/packages/core/index.mjs b/packages/core/index.mjs
index 3f3d6409..bc9628bd 100644
--- a/packages/core/index.mjs
+++ b/packages/core/index.mjs
@@ -7,6 +7,7 @@ This program is free software: you can redistribute it and/or modify it under th
 import controls from './controls.mjs';
 export * from './euclid.mjs';
 import Fraction from './fraction.mjs';
+import { logger } from './logger.mjs';
 export { Fraction, controls };
 export * from './hap.mjs';
 export * from './pattern.mjs';
@@ -17,12 +18,13 @@ export * from './util.mjs';
 export * from './speak.mjs';
 export * from './evaluate.mjs';
 export * from './repl.mjs';
+export * from './logger.mjs';
 export { default as drawLine } from './drawLine.mjs';
 export { default as gist } from './gist.js';
 // below won't work with runtime.mjs (json import fails)
 /* import * as p from './package.json';
 export const version = p.version; */
-console.log(
+logger(
   '%c 🌀 @strudel.cycles/core loaded 🌀', // keep "//" for runnable snapshot source..
   'background-color: black;color:white;padding:4px;border-radius:15px',
 );
diff --git a/packages/core/logger.mjs b/packages/core/logger.mjs
new file mode 100644
index 00000000..1fe9b63a
--- /dev/null
+++ b/packages/core/logger.mjs
@@ -0,0 +1,3 @@
+export function logger(message) {
+  console.log(`${message}`, 'background-color: black;color:white;padding:4px;border-radius:15px');
+}