Squire GershWilliam Girsback, better known as Squire Gersh, was an American jazz tubist and double-bassist.Life and careerGersh played in San Francisco with Lu Watters, Bob Scobey, Turk Murphy, and Mutt Carey; he recorded with Watters in 1942 and with Murphy multiple times between 1950 and 1966. He accompanied Louis Armstrong on record and for a tour of South America between 1956 and 1958, then played in Europe with Kid Ory and Red Allen in 1959.