Ozzy Osbourne and Ronnie James Dio are two of heavy metal’s most iconic voices but with very different strengths. Ozzy’s vocals were raw haunting and often imperfect yet that unpolished wail became the sound of Black Sabbath’s dark heavy riffs. His voice carried a unique emotional weight that matched the doom of early metal. Ronnie James Dio came later with a voice that was powerful precise and almost operatic. His soaring delivery gave bands like Rainbow Black Sabbath and Dio a mythic epic qual

Ronnie James Dio and Bruce Dickinson are two of the most powerful voices heavy metal has ever heard. Dio brought myth and fantasy to life with a voice that carried pure strength and passion. His work with Rainbow Black Sabbath and Dio created an entire universe of metal storytelling. Dickinson meanwhile gave Iron Maiden its soaring operatic sound. His screams about war battle and glory turned every song into an epic. Dio gave metal its mystical heart while Dickinson gave it its heroic wings. Bot