The Sound World libraries:

Version 1.0 released on October 26, 2010

The isdraw -- the imperative world with sound. Last modified on October 26, 2010.

The asdraw -- the applet world with sound. Last modified on October 26, 2010.

The tunes -- the sound sources. Last modified on October 26, 2010.

The sound libraries require the colors and geometry packages.

The colors version 1.0 -- colors for the world libraries.

The geometry version 1.0 -- Posn for the world libraries.