Sound that may come from the pipes (5)

I believe the answer is:

skirl

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'sound' is the definition.
(skirl is a kind of sound)

I don't understand how the rest of the clue works.

(Other definitions for skirl that I've seen before include "Sound of e.g. bagpipes" , "some piping, we hear" , "Sound from pipes" .)

I've seen this clue in the Evening Standard.

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