Ronnie James Dio

Wendy Dio poses with the Tommy Vance Inspiration Award at the Classic Rock Roll Of Honour at the Roundhouse in London. Gareth Cattermole/Getty Images During the 1980s, charity singles like "Do They Know It's Christmas" and "We Are the World" topped the charts – but not in the metal world. So Dio members Vivian Campbell and Jimmy Bain decided to...