Andy Kirk Band After arranger/pianist Mary Lou Williams' departure in July 1942: Kirk (leader), Ken Kersy (piano), Laverne Barker (bass), Ben Thigpen (drums), John Harrington (sax; front row, far right), possibly Fats Navarro (trumpet; back row, sixth from right) and Howard McGhee (trumpet; back row, fifth from right) MMF Photo Collection, #81