Rhythm
Rhythm Founded by Dave Rosenbaum in San Francisco in 1942, Rhythm Records issued singles by Saunders King and Jack McVea up to 1947. The label was revived in 1954–1955, with Bob Geddins supplying the recordings, and issued less than twenty singles by most of the Bay Area’s blues artists, including Mercy Dee, K. C. Douglas, and Johnny Fuller. In 1957 a new Rhythm label emerged in Oakland run by Don Barksdale who up to 1959 issued material in a variety of styles; blues was represented by Sugar…