diff --git a/packages/tone/index.mjs b/packages/tone/index.mjs
new file mode 100644
index 00000000..537156fd
--- /dev/null
+++ b/packages/tone/index.mjs
@@ -0,0 +1,5 @@
+import './pianoroll.mjs';
+
+export * from './tone.mjs';
+export * from './draw.mjs';
+export * from './ui.mjs';