diff --git a/TODO.md b/TODO.md
index cb5a88a..b370341 100644
--- a/TODO.md
+++ b/TODO.md
@@ -10,5 +10,8 @@
     * vinyl crackle
     * white noise?
     * fan
+    * cat purr
+    * café
+    * rustling leaves
 * set a window icon
     * create a nice icon?