6. Ian Gillan
The Deep Purple singer gave Robert Plant a run for his money during his ‘70s prime but never made frivolous use of his high notes, reserving it for dramatic effect, as heard on the epic “Child In Time.”
5. Goeff Tate
Though his technique has matured over the years, early on the former-Queensrÿche singer could hit the high notes with the best of them, as heard on “Queen of the Reich” off their debut EP.