see also: Elf[?] (1971-1976), Rainbow (1974-1979), Black Sabbath (1979-1983; returns 1991) and Dio (1982-present)
Discography:
With Rainbow
With Black Sabbath
With Dio
... until his retirement in 1999 (he remains active within the nonviolence movement and regularly participates in WRL activities). After years of internal problems, ...