On This Day in Art Rock History

Floating Fingers

On Tuesday, July 30, 1968, Bill Graham opened a six-night stand at the Fillmore West with a bill that reads, in hindsight, like a hinge in San Francisco music: the Paul Butterfield Blues Band headlining, Santana second, and the New York vaudeville-rock act Hello People at the bottom. The Butterfield band was the established draw — Chicago-schooled electric blues with a horn section, the group whose "East-West" had…