Sound extension to Tcl/Tk and Python/Tkinter - Tcl/Tk library

 Snack is an extension to the Tcl/Tk scripting language
 that adds sound functionality. There are commands to play, record,
 edit, and even visualize sound. Snack supports in-memory sound
 objects, file based audio, and streaming audio. It handles
 file formats such as WAV, AU, AIFF, MP3, and OGG Vorbis.
 .
 This package includes Tcl/Tk snack package and uses ALSA as a sound
 engine.