Dio was one of the best and most successful heavy metal bands whose only permanent member was vocalist Ronnie James Dio. He formed the band in October 1982 with drummer Vinny Appice after both left Black Sabbath. The band was joined by Irish guitarist Vivian Campbell (Sweet Savage) and bassist Jimmy Bain (Rainbow, Wild Horses). Ronnie James Dio passed away in May 2010. This was the reason for the band's end. This strictly limited 6 CD box set in noble Packaging includes all of the US rock group's biggest hits and all-time classics and can be viewed as a period document.