Club Ebony, a famed blues venue in Indianola, Miss., that was part of the chitlin circuit — a loose network of Black-owned clubs and venues in segregated American cities — has hosted hundreds of memorable moments. Bobby Rush, the 89-year-old blues singer, recalled one of his favorites in a recent interview: a scene from B.B. As King was meandering through an extended take on Bill Withers’s “Ain’t No Sunshine,” he noticed Rush had dozed off. “‘Ladies and gentlemen,’” he began, according to Rush. Club Ebony was more than King’s hometown club.

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