Music to end sonata: last bits? (4)

I believe the answer is:

coda

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'music to end sonata last bits?' is the definition.
I can't tell whether this definition defines the answer.

'music to end sonata last' is the wordplay.
'last' says to take the final letters.
The last letters of 'music to end sonata' are 'CODA'.

Can you help me to learn more?

(Other definitions for coda that I've seen before include "tail" , "Musical recap" , "finish" , "Concluding passage of a musical composition" , "Closing stage" .)

I've seen this clue in The Sun and The Telegraph.

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