http://www.globetrotter.net/gt/usagers/roule/accord.htm Tunings and Temperaments -- Demo Applet http://www.softsynth.com/jsyn/ Develops interactive sound effects, audio environments, or music, for embedding in web pages. http://neuralsemantics.com/ Modulator Jane is a java applet that uses standard AU sound files to modulate graphics on a web page. The effect is that of a light show corresponding to the sound or music played. http://www.softsynth.com Computer Music and Synthesis Software. A Java API for soft synthesizers, with a good page of links. Strictly for the programmers though.