[vimeo video=”47875656″ h=”354″ w=”630″] Former NFL player and actor/comedian Terry Crews keeps the viral madness going with an innovative campaign for Old Spice. An avid fitness fanatic, Crews puts on a solo jam session making music with his muscles. The coolest thing about the video is that it’s interactive. At the completion of the video, you can make your own music with Crews’ muscles and record it.