Flight Of The Behemoth is the third album by SUNN O))). The band began taking a more experimental approach with this album, collaborating with Japanese noise artist Merzbow, who remixed tracks 3 and 4, and using drums and vocals on FWTBT.
FWTBT is loosely based on Metallica's For Whom the Bell Tolls. While the band did try to follow the original structure and riffing of the song, the intent was not to copy the original, but to rewrite the song for themselves. (The song's full title is a reference to Cliff Burton's death in a road accident.)