I worked with Markus Popp who operates under the name Oval [more] on a series of collaborations. These have resulted in the development of a music authoring environment called OvalProcess. Various incarnations of OvalProcess have been exhibited in locations varying from the new Sony Berlin HQ to a recent US gallery tour.
OvalProcess controls audio though various non shockwave safe Xtras and hence there is no shockwave version. However I have created a Flash animation "tutorial" [launch] that gives some indication of the functionality.