Nine albums into their career, Opeth has skirted just about every rule unwritten convention of death metal. The Swedish group distinguished themselves immediately by tempering their sludgy assault with unexpected, palette-cleansing washes of jazz, folk and blues music, and they’ve only grown more unorthodox. On their most recent album...

The brutal death metal band Hate Eternal, whose angry, jackhammer sound is vicious even by the genre’s severe standards, headline an 8 p.m. show tonight at the Rave. The group’s latest album, Fury and Flames showcases the more emotional, human side of the band, having been written in the aftermath of one-time bassist . . .