Jazz sobriquet (7)

I believe the answer is:

satchmo

(Other definitions for satchmo that I've seen before include "Louis Armstrong's nickname" , "Name used by jazz player Louis Armstrong" , "trumpeter" , "Louis Armstrong's byname" , "Jazz musician" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.