Dan Snaith (Caribou) has just added 3 albums to his bandcamp page which are all made of bsides from 3 of his past projects.
Tour CD 2005 (bsides from
The milk of human kindness, 2005)
Tour CD 2007 (bsides from
Andorra, 2007)
Tour CD 2010 (bsides from
Swim, 2010)
These albums were originally sold only on tour on cd. All 3 of them include a track that's labeled as 'mix'. (Which includes songs by different artists) And also 6 different unreleased tracks.
http://caribouband.bandcamp.com/
You decide whether you want to pay or get them for free. (They are really good so yall better give them some love)