Ion Audio definitely had a busy CES. Besides launching iCade Mobile — which adds eight buttons and a D-Pad to your iPhone — they also showcased upcoming instrument learning rigs. Piano Studio is a 61-note keyboard with lighted keys showing you how to play, while Drum Master is a full-size electronic drum kit with six velocity-sensitive lighted pads and cymbals. We also got a sneak peak at guitar apprentice. Video!
