I recently discovered this band through pandora - Every time one of their songs comes up, it's always a jam (chill instrumental stuff, with a good beat). So I try to find out more about them - and it turns out it's a 2-piece ... a drummer, and a guy that plays a double neck guitar/bass, with a looper. Seriously, check it out.
http://www.youtube.com/watch?v=5aVps...feature=relmfu
There are a couple sections he's playing on both necks at once (and not to just show off).
Just thought these guys are doing something really innovative, and thought I'd pass it along!