Tinkerer, one taking a bow? (7)

I believe the answer is:

fiddler

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'tinkerer' is the definition.
(I know that tinkerer can be written as fiddler)

I cannot understand how the remainder of the clue works.

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(Other definitions for fiddler that I've seen before include "Musician (on the roof)?" , "might one take a bow?" , "foundd on the roof?" , "Violinist (on the 11?)" , "Great musical ''....... on the roof''" .)

I've seen this clue in The Times.

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