Boris Variations is a compilation of previously recorded and re-recorded audio music, as well as live video music by Japanese band, Boris. The CD comprises selections from six Boris full-length releases that generally keep to their 'heavy rock' style, as well as one single B-side. Five of the 13 songs have been re-recorded. Production credits on the CD are for Boris. Besides the three regular members of the band - Takeshi, Wata and Atsuo - Michio Kurihara also plays guitar on tracks 2, 6, 7, 9, 11 and 12. All songs are composed by Boris, except for track 6, which is by Boris and Michio Kurihara.

Akuma no Uta is the fifth album by Japanese experimental music band Boris. Originally released in 2003 on Diwphalanx Records with minimalist artwork, it was re-issued in 2005 on Southern Lord Records with a different cover and more music.