French composer of Carmen (5)
I believe the answer is:
bizet
'french composer of carmen' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for bizet that I've seen before include "French composer of 'Carmen'" , "French opera composer, d. 1875" , "Composer of the opera Carmen, d. 1875" , "Georges __; French composer" .)