There is more than one artist/group known as Black Diamonds 1. Originally a duo that blasted blues-based jams out of a barn in Perry, Ohio, the Black Diamonds, now a four piece, released their full length debut in 2006. Listening to them, you'll hear elements of old time blues music as well as large riffs and bombastic drums that date back to the hard chargin' Seventies.
2. A 60's Australian psychedelic rock band