Jack Teagarden

Weldon Leo "Jack" Teagarden, known as "Big T" and "The Swingin' Gate", was a jazz trombonist, bandleader, composer, and vocalist, regarded as the "Father of Jazz Trombone."... Weldon Leo "Jack" Teagarden, known as "Big T" and "The Swingin' Gate", was a jazz trombonist, bandleader, composer, and vocalist, regarded as the "Father of Jazz Trombone."