Jon Cozart is definately one to watch, though saddly he doesn’t update his channel anywhere near often enough, that is, he hasn’t for nearly a year (as of the time of writing). That said the stuff that he has put up is quite impressive, especially when you remember it’s all just him. This is the video that first brought him to my attention :
If that wasn’t enough to blow your mind away, then perhaps this rather clever duet with himself:
For exampels of the kind of music he can make with all kinds of different tools, then I would want to offer to you his attempt to audition for Glee. He was unsuccesfull. I have absolutely no idea why!
You can find his stuff on iTunes for sale. Check out his you-tube channel!