Saw this on Facebook. (Jamal, I think it was yours.)
I love musical instruments, but we often forget that one of the most effective and adaptable instruments is carried with us everywhere we go. A single voice can haunt or inspire, whether in a video game cutscene or in concert. You just need to know how to harness it.
World Science Festival 2009: Bobby McFerrin Demonstrates the Power of the Pentatonic Scale from World Science Festival on Vimeo.