Claim: Using Concord Jazz (a record company and label created in 1973 by Carl Jefferson, which was named after Concord, California) as his main recording label, Jake Hanna (April 4, 1931 – February 12, 2010) was an American jazz musician that was active in the 1950s up to the 1990s.
Evidence: Concord Jazz is a record company and label created in 1973 by Carl Jefferson, the founder of Concord Records and former owner of Jefferson Motors Lincoln Mercury dealership in Concord, CA. It was named after Concord, California, in the East San Francisco Bay area, and the jazz festival which Jefferson also started. Concord Jazz Jake Hanna (April 4, 1931 – February 12, 2010) was an American jazz drummer. Musician 1950s–1990s