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