Perform quiet, lazy pieces (4)

I believe the answer is:

play

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'perform' is the definition.
(I know that perform is the is a more specific form of the action of play.)

'quiet lazy pieces' is the wordplay.
'quiet' becomes 'p' (music symbol for 'piano', ie soft or quiet).
'lazy pieces' becomes 'lay' (I can't justify this - if you can you should give a lot more credence to this answer).
'p'+'lay'='PLAY'

Can you help me to learn more?

(Other definitions for play that I've seen before include "Theatrical performance" , "Drama; engage in games" , "Scope - entertainment" , "Frolic" , "Drama - latitude - sport" .)

I've seen this clue in the Evening Standard.

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