You Eric Whitacre fans will enjoy this:
Here's what he said about it:
Never in my wildest dreams did I ever imagine myself writing the following words, but here they are: I just heard an exquisite performance of Sleep as transcribed for marimba quartet.
I found this on youtube this morning and was just knocked out, not so much by the novelty of the whole thing (roving, voyeuristic steady-cam shots of a marimba quartet), but by their nuanced music-making; their sense of line and phrase; and their deep, deep understanding of the underlying structure of the piece. Really blew my mind.