Conversation so far:
when was the song in the mood written
In the Mood was an arrangement by Joe Garland based on an existing melody of 1930's Tar Paper Stomp and was credited to trumpeter Wingy Manone.
What are Wingy Manone's songs besides Tar Paper Stomp?
Wingy Manone's recordings included Nickel in the Slot, Downright Disgusted Blues, There'll Come a Time, and Tailgate Ramble.
How did Wingy Manone's nickname originate?
Wingy Manone lost his right arm in a streetcar accident when he was ten years old, which resulted in his nickname of Wingy.
How did Joe Garland's career progress?
Joe Garland wrote a number of well-known swing jazz hits, including Serenade To A Savage for Artie Shaw and Leap Frog for bandleader Les Brown.

Question: When did the arranger start out in music?
Self-contained rewrite: When did Joe Garland begin his jazz musician career?