Crossword Genius

Noise after composer of noteless music shut up (5,2)

Ross

I believe the answer is:

caged in

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

'noteless music shut up' is the definition.
I can't tell whether this defines the answer.

'noise after composer' is the wordplay.
'noise' becomes 'din' (din can mean a loud noise or disturbance).
'after' says to put letters next to each other.
'composer' becomes 'cage' (I've seen this before).
'din' put after 'cage' is 'CAGED IN'.

'of' acts as a link.

Can you help me to learn more?

I've seen this clue in The Guardian.
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