The story of Black Sabbath and their singer changes has been told many times.

 

Short version: "Never Say Die!" was released in 1978. It should be the last album miy Ozzy Osbourne. Successor was Ronnie James Dio, and the first two albums with him were "Heaven And Hell" in 1980 and "Mob Rules" in 1981.

 

These two albums with Dio as the singer will be released in 2022 as remastered reissues as double CD and double vinyl.