Year Albums Lineup Style
1967
  Nick Pantas - guitars
Doug Thaler - keyboards, guitars
David "Rock" Feinstein - guitars
Gary Driscoll - drums
Ronald James "Ronnie Dio" Padavona - vocals, bass
Blues Rock
1968
  Nick Pantas - guitars
Doug Thaler - keyboards, guitars
David "Rock" Feinstein - guitars
Gary Driscoll - drums
Ronald James "Ronnie Dio" Padavona - vocals, bass
Mickey Lee Soule - keyboards, vocals
1969
  Doug Thaler - keyboards, guitars
David "Rock" Feinstein - guitars
Gary Driscoll - drums
Ronald James "Ronnie Dio" Padavona - vocals, bass
Mickey Lee Soule - keyboards, vocals
1970
  Blues Rock
Hard rock
1971
 
1972
Elf
1973
  Gary Driscoll - drums
Mickey Lee Soule - keyboards, vocals
Steve Edwards - guitars
Craig Gruber - bass
Ronald James "Ronnie Dio" Padavona - vocals
1974
Carolina County Ball
1975
Trying To Burn The Sun Gary Driscoll - drums
Mickey Lee Soule - keyboards, vocals
Steve Edwards - guitars
Craig Gruber - bass
Ronald James "Ronnie Dio" Padavona - vocals
Mark Nauseef - percussion