Swingin' on Central Avenue: African American Jazz in Los Angeles - Peter Vacher - Google Books

https://books.google.de/books?id=q69_CgAAQBAJ&pg=PA40&lpg=PA40&dq=%22bob+merrell%22&source=bl&ots=XHYDE_pH12&sig=cJpHd0-prRGvI9i

The development of jazz and swing in the African-American community in Los Angeles in the years before the second World War received a boost from the arrival of a significant numbers of musicians from Chicago and the southwestern states. In Swingin’ on…