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Hammer

Hammer
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Genre: Jazz
Group Members: John DeRoberts, John Guerin, Norman Landsberg, Richie McBride, Jack O'Brien
Biography: Bay Area groove-rock combo Hammer comprised singer John DeRoberts, guitarist Jack O'Brien, bassist Richie McBride, keyboardist Norman Landsberg, and drummer John Guerin. Formed in 1969, the group was quickly signed by legendary promoter Bill Graham to his fledgling San Francisco Records label -- their ...Read full biography