The Music Instinct: Science and Song is a fascinating two-hour documentary on the science of music that premieres this Wednesday, June 24 on PBS.
Check out the Music Instinct website which includes videos and interviews with Bobby and Taylor McFerrin, Yoyo Ma, and many others. There is an interesting interview with David Levitin who authored This is Your Brain on Music
and a ton of other great material covering topics as far ranging as music and evolution to acoustics, intervals, and harmonics.
Once you've watched, be sure to let us know what you thought!