At age 15, Jimmy recommended Tommy to replace Russ Morgan in the Scranton Sirens, a territory band in the 1920s. Tommy and Jimmy worked in bands led by Tal Henry, Rudy Vallee, Vincent Lopez, and Nathaniel Shilkret. In 1923, Dorsey followed Jimmy to Detroit to play in Jean Goldkette's band and returned to New York in 1925 to play with the California Ramblers. In 1927, he joined Paul Whiteman. In 1929, the Dorsey Brothers had their first hit with "Coquette" for OKeh Records.
At age 15 Jimmy recommended Tommy to replace Russ Morgan in the Scranton Sirens a territory band in the 1920s Tommy and Jimmy worked in bands led by Tal Henry Rudy Vallee Vincent Lopez and Nathaniel Shilkret In 1923 Dorsey followed Jimmy to Detroit to play in Jean Goldkette's band and returned to New York in 1925 to play with the California Ramblers In 1927 he joined Paul Whiteman In 1929 the Dorsey Brothers had their first hit with "Coquette" for OKeh Records