Tommy Dorsey (1905-1956) was an American jazz trombonist, bandleader, composer, and arranger. He played a significant role in the swing era of the 1930s and 1940s. Along with his younger brother Jimmy Dorsey, who played the clarinet and saxophone, Tommy led one of the most popular and successful big bands of the time. The Tommy Dorsey Orchestra produced numerous hit records and played a key role in shaping the sound of the era. Known for his smooth trombone playing and innovative arrangements, Tommy Dorsey left a lasting impact on the world of jazz and popular music.