Time-honored, as folk mus (4)

I believe the answer is:

trad

(Other definitions for trad that I've seen before include "Type of jazz or folk" , "Conventional (jazz)" , "music" , "Style of jazz" , "(Of jazz) traditional" .)

I've seen this clue in the Newsday.

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.