This is awesome. Definitely a great way to tighten up your timing, and make metronome practice more interesting.
40bpm is harder than you think to stay in time with.
[VIDEO]http://www.youtube.com/watch?v=9X1fhVLVF_4]Victor Wooten Prosessions - YouTube[/VIDEO]
I saw Victor Wooten with Bela Fleck & The Flecktones last month. He's one hell of a player.