http://www.madplayer.com

MadPlayer

a handheld music toy that features an algorithmic music generator – beat/groove generator, a mic/sampler, karaoke, and Internet access for sharing or connecting to your Mac or PC.
It’s a handheld PlayStation for digital music, generating tracks that users can change on the fly. You can mix vocals and download your own samples. Comes with a cheesy headset. Price for it is all over the map. MSRP is $300, street price for the latest model is $150 but you can buy an earlier one NIB for $50 including shipping and then download the latest firmware and software.

Fuente : create digital music