http://www.jonathancoulton.com/2005/10/14/thing-a-week-5-baby-got-back/ An amazingly hilarious cover of Baby Got Back by Jonathan Coulton. There was a version of the original music video synced to this song, unfortunately it was taken down. lol dmca
http://bldgblog.blogspot.com/2006/06/listening-to-machine-made-entirely.html An article about a machine that plays music by photoelectric sensors that are activated by scratches in glass disks covered in black enamel, allowing light to shine through.