Old music-maker spoiled relic with mud (8)

I believe the answer is:

dulcimer

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'old music-maker' is the definition.
I can't tell whether this definition defines the answer.

'spoiled relic with mud' is the wordplay.
'spoiled' indicates anagramming the letters.
'with' means one lot of letters go next to another.
'relic'+'mud'='relicmud'
'relicmud' with letters rearranged gives 'DULCIMER'.

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(Other definitions for dulcimer that I've seen before include "Stringed percussion instrument" , "Old percussion instrument" , "Percussion instrument struck with small hammers" , "Hammered instrument" , "Instrument of Xanadu damsel (Coleridge)" .)

I've seen this clue in The Sun.

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