Performer who should certainly take a bow? (7)
I believe the answer is:
fiddler
'performer' is the definition.
(fiddler is a kind of performer)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for fiddler that I've seen before include "Violinist - cheat" , "String player" , "Violinist (colloq.)" , "Great musical ''....... on the roof''" , "Famous musical '. . . . . . . on the Roof'" .)