harlem.org

left to right:

Maxine Sullivan, Jimmy Rushing, Joe Thomas, Scoville Browne, Stuff Smith, Bill Crump, Coleman Hawkins, Rudy Powell, Oscar Pettiford, Sahib Shihab

The only singers in the entire photo, Sullivan and Rushing, stood next to each other. Sullivan supposedly knew verses (full lyrics not just chorus) to over 200 songs by heart.