SBURB OST (Homestuck Fan Album)
Look at this! In development since July 2011, SBURB OST is the biggest Homestuck Fan Project so far; over 55 tracks by around a dozen musicians, all for free! It’s also some really great music. Download it. Because you should. Every one of you.
Listen to it here (donwload is only on http://hsfanmusic.skaia.net/ , not on the bandcamp website):