If you have both iDrum for the iPhone/iPod touch and iDrum for your PC or Mac, you can send kits back and forth from your computer and handset over your Wi-Fi network. Watch this video to see how.
A new iPhone app that turns your voice into an instrument in real time. You sing into the iPhone, and it turns your voice into a guitar, a bass, synth, etc. The entire song in the video is created with just a voice singing into the iPhone.
Here is a short demo of Touch Mix Deadmau5 edition running on the iPad. Touch Mix is the unique way to mix, DJ and perform the music of artists you like on your iPhone or iPod Touch. Developed by the guys from Future Audio Workshop.