Crossword Genius

A song all about us? (3)

Ross

I believe the answer is:

air

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

This might be a double definition.

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

'all about us?' is the second definition.
The definition and answer can be both locations as well as being singular nouns.
Maybe there's a link between them I don't understand?

Can you help me to learn more?

(Other definitions for air that I've seen before include "Broadcast j" , "- - on a G-string" , "An impressive manner or tune" , "a life support" , "Ventilate or give expression to" .)

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