Swans, in a Christmas song (6)

I believe the answer is:

septet

(Other definitions for septet that I've seen before include "Seven-piece band" , "A group of seven, say singers" , "Musical group" , "G7" , "Odd number of players performing" .)

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.