This is just a few of them. The visualizations were done by my own webcam.
Debut: 2 Whistlers--Real-Time Sound Synthesis from Computer Music 101 Class (December 27, 2012)
https://www.youtube.com/watch?v=XhgxDST95O0
Prelude A La Prokofiev--a composition by Charles Joseph Smith (December 25, 2012)