Import the MacOS toolbox modules from the Carbon package.
diff --git a/Mac/Demo/sound/playaiff.py b/Mac/Demo/sound/playaiff.py
index 1022fc8..8237895 100644
--- a/Mac/Demo/sound/playaiff.py
+++ b/Mac/Demo/sound/playaiff.py
@@ -1,5 +1,5 @@
-from Sound import *
-import Snd
+from Carbon.Sound import *
+from Carbon import Snd
 
 import aifc, audioop