visualizing vibrations on singing strings

this video is unedited: all i did was put my cameraphone inside my guitar and played a little piece i've been working on. i was stunned to see such pronounced vibration / visible oscillations to hear the original version of the song with the voices separated listen here: http://soundcloud.com/nico-getz/shot1 Like my music on facebook! http://www.facebook.com/nicogetzmusic