I gots to go wit Paul Rogers from Bad Co.
Funny enough, a gay man: Rob Halford from Judas Priest :-). Others- Dio, Plant, Gillan, Coverdale etc..
For those who admired the Miljenko Matijevic scream- Halford was in his younger days perhaps the best of the best- listen to the singing at the end of this song:
This is one of my favorites from the 70s:
NN