Just listen to this: Michael Jackson's Billy Jean, by Aloe Blacc and The Grand Scheme.
Earlier this year I became acquainted with the music of the talented Justin Vernon, recording as Bon Iver. I soon discovered and fell in love with the work of his previous band, DeYarmond Edison. They split up in 2006, but in the years prior recorded a wonderful, folky sound on two albums plus an EP released at the time of breakup. The first (self-titled) is not available except through some creative searching on the internet. I'd kill for a physical copy with which to wake my neighbors in the wee hours.
Here's a sample off this album, called Dusty Road (So Kind):
If you like this, there's another song after the jump.
This video is part of a full set, performing their album In Rainbows. You can buy the video album on iTunes. A delightful way to listen.
This isn't new, but I find I return to watch it often enough that I ought to share it with those who maybe haven't seen it at all.
In this video, Imogen Heap, an artist of sorta electronic pop music, performs one of her songs totally live and a cappella, laying down tracks and basically singing a really cool round with herself. Check it out: