Related Information for Savage Grace 1. Savage Grace were Detroit's progressive rock band of the late '60s. With chops galore and a background rooted in jazz and R&B (with some good old-fashioned Detroit rock & roll thrown in for good measure), Savage Grace stood out from the rest of the Michigan bands as something special and as something quite eclectic. With Guitarist Ron Koss, keyboardist John Seanor, and drummer Larry Zack as the nucleus of a jazzy trio called Scarlet Letter (with two albums on M.. read more