The creator of the gTar returns with a teach-yourself keyboard
 

The first time you played Guitar Hero (or Rock Band), you probably wished that someone would invent a real guitar that could teach you how to play in the same manner. Shortly afterward, the gTar was invented, that showed budding riff-makers how to sh...

http://www.engadget.com/2015/03/05/k...=rss_truncated