diff --git a/.gitignore b/.gitignore
index b0104c8..ae50537 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /.cache/*
 /dist/*
 /assets/audio/*
+!/assets/audio/Komiku - Mushrooms.mp3
diff --git a/assets/audio/Komiku - Mushrooms.mp3 b/assets/audio/Komiku - Mushrooms.mp3
new file mode 100644
index 0000000..6bf0ba5
Binary files /dev/null and b/assets/audio/Komiku - Mushrooms.mp3 differ
diff --git a/src/index.js b/src/index.js
index 5c6479a..248e9a0 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,7 +2,7 @@ import "babel-polyfill";
 
 const ft = require('fourier-transform/asm');
 const db = require('decibels');
-const soundfile = require('../assets/audio/undertone.mpga');
+const soundfile = require('../assets/audio/Komiku - Mushrooms.mp3');
 const audioElt = document.createElement('audio');
 audioElt.src = soundfile;
 audioElt.controls = true;