What band fronted by Jim "Dandy" Mangrum performed at the Thirsty Whale in River Grove, Illinois?
The Thirsty Whale: The Thirsty Whale, which opened in 1975, was a rock and roll club at 8800 Grand Avenue, River Grove, Illinois. The Thirsty Whale:  It brought in acts like Blue Öyster Cult, Molly Hatchet, Black Oak Arkansas, Extreme, Foghat, Johnny Winter and Peter Criss. Black Oak Arkansas:  Their style is punctuated by multiple guitar players and the raspy voice and on-stage antics of vocalist Jim "Dandy" Mangrum.
Black Oak Arkansas