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In page Blood, Sweat & Tears:

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Al Kooper (keyboards, vocals), Bobby Colomby (drums), Steve Katz (guitar, vocals), and Jim Fielder (bass) played at the Village Theatre (later renamed Fillmore East) in New York City on September 16, 1967, with James Cotton Blues Band opening.[citation needed] Kooper was the initial singer and musical director, having insisted on that position based on his work with the Blues Project, his previous band with Katz.[1]