http://labs.dinahmoe.com/plink/# Musically collaborate with strangers online. Unfortunately its popularity has gone down a bit so there aren't as many people playing online anymore. It's quite a bit of fun with 5+ people.
http://www.youtube.com/watch?v=M_ciiCyxOJA Patti Smith's cover of Nirvana's Smells Like Teen Spirit. I'm sending this link out because it's the first time I've ever been able to make sense of the lyrics. The cover is solid.