Towel Tunes™ Research links.

Beginners guide to accelerometers: A basic overview to accelerometers and how they work.

Pocket Toshi: Accelerometer based music composer

Phone percussion: Drum machine on your cell phone

Accelerometers on Wiki: A breakdown of how accelerometers work.

Worlds thinnest speaker: Worlds thinnest speaker set for mass production

Misco: Speaker supply website

Other Researchers:
Movement to music: A wearable wireless sensor system developed by Andrew B. Godbehere and Nathan J. Ward