Crossword Genius

Musical in need of opening song (3)

Ross

I believe the answer is:

air

I'm a little stuck... Click here to teach me more about this clue!

'song' is the definition.
(air can mean a piece of music)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for air that I've seen before include "Publish" , "Ventilate, give voice to" , "Display" , "Song - atmosphere" , "Gas mixture required for breathing" .)

I've seen this clue in The Independent.
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.