Male opera singers (6)
I believe the answer is:
tenors
(Other definitions for tenors that I've seen before include "Male singing voices" , "Opera singers" , "Male singers from Reston" , "Male singers with high register" .)
I believe the answer is:
tenors
(Other definitions for tenors that I've seen before include "Male singing voices" , "Opera singers" , "Male singers from Reston" , "Male singers with high register" .)