Crossword Genius

About the music, don't give vent to your feelings (8)

Ross

I believe the answer is:

restrain

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

'don't give vent to your feelings' is the definition.
I can't tell whether this definition defines the answer.

'about the music' is the wordplay.
'about' becomes 're' (common abbreviation for 'with reference to').
'the music' becomes 'strain' (strain is a kind of music).
're'+'strain'='RESTRAIN'

Can you help me to learn more?

(Other definitions for restrain that I've seen before include "Prevent (from excess)" , "Control - check" , "Keep back" , "Limit" , "Stop" .)

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