The little man with an enormous voice, the late, great Ronnie James Dio was one of the finest vocalists in the history of rock and metal. His lengthy music career started way back in the late 50s, before going on to front hugely successful acts like Rainbow, Black Sabbath and Heaven and Hell and singing on some of the most iconic heavy metal records ever. Advertisement. Scroll to continue reading. Of course, he might be most well known for the time he spent with his eponymous group Dio. Tunes like “Holy Diver,” “The Last In Line,” “Don’t Talk To Strangers” and “We Rock” have cemented their legacy in metal lore – but what about the lesser known Dio tracks? With 10 studio releases to pick from, our dragon, rainbow and sword obsessed focal point has lots of deep cuts that have been forgotten about.