Real name: Gerald Marvin Sims

Effective period / Period of releases: 1962 - 1973

Soul/blues singer-songwriter, producer, born January 5, 1940 - died May 8, 2023 in Burien, WA.
Active in the Chicago soul scene, since he found a job at Chess Records, playing as session guitar player. He also played on recordings for other labels, counted Muddy Waters as a friend and played with other musicians including Mary Wells, Etta James, Chuck Berry, Louis Armstrong, The Dells, The Chi-Lites, Ramsey Lewis, Billy Stewart, Minnie Riperton, Jerry Butler, Nancy Wilson and Willie Dixon.