This video shows an example of how the Roland Digital Hand Percussion "HandSonic HPD-20" can be used as a Beat Maker, in real-time combination with the BOSS RC-505 Loop Station.
For more information on the Roland Handsonic HDP-20, please visit: http://www.rolandconnect.com/product.php?p=handsonic_hpd-20
The performer, Tioneb is a singer/song-writer and human beat box specialist who lives in Paris/France. Co-founder of the band Human player he's now delivering his solo project, a soulful electro-pop crossover made of voice and human beats.
http://www.tioneb.org/home.cfm