Crossword Genius

Whim of a musician? (8)

Ross

I believe the answer is:

crotchet

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'whim' is the definition.
(thesaurus)

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(Other definitions for crotchet that I've seen before include "Quarter of a semibreve" , "One in bar" , "Musical note equal to half a minim" , "Two quavers as one note" , "as mark scored" .)

I've seen this clue in The Irish News.
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