Powertrane were an exciting, hard-hitting rock band that brought together three generations of Michigan's musical heritage, showing that soul and hard rock could readily coexist in one group. Grafting tough, R&B-influenced vocals with a high-impact instrumental attack derived from '60s-style hard rock and the swagger of garage rock and punk, Powertrane were a superb live act whose skills onstage were captured on the 2002 concert recording Ann Arbor Revival Meeting. But they could also make their sound work effectively in the studio, as they demonstrated on 2007's Beyond the So...