Dio

Dio is a heavy metal band formed in 1982 by vocalist Ronnie James Dio, who had previously sung with Black Sabbath and Rainbow. The band has released ten studio albums, with their most successful being 1983's Holy Diver, which peaked at number 32 on the Billboard 200. Other notable albums include The Last in Line (1984), Dream Evil (1987), Lock Up the Wolves (1990), and Magica (2000).

Their most popular songs include "Holy Diver", "Rainbow in the Dark", "The Last in Line", "We Rock", and "The Mob Rules". Dio's music has been covered by a number of other bands, including Metallica, Iron Maiden, and Slipknot.

An interesting fact about Dio is that their name is an acronym for "Dio In Oneness". This is a reference to the band's spiritual themes, which are often expressed in their lyrics.