Mild curse upset music makers (9)

I believe the answer is:

dulcimers

'music makers' is the definition.
(dulcimer is a kind of musical instrument)

'mild curse upset' is the wordplay.
'upset' indicates anagramming the letters.
'mild'+'curse'='mildcurse'
'mildcurse' anagrammed gives 'DULCIMERS'.

(Another definition for dulcimers that I've seen is " Percussion instruments with strings struck with hammers".)

I've seen this clue in The Independent.

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