Metallica at Slane were awful. James looked like shit. Of course we now know he was off the wagon.
Black Sabbath are not the Godfathers of heavy metal, they are just one of the great heavy metal bands. Sharon made up the Godfather thing in the 00s, she told young bands on Ozzfest to say it in interviews. Before that when bands were asked about their influences they mentioned Hendrix, Zeppelin, Purple, Sabbath and more.
Black Sabbath are not the Godfathers of heavy metal, they are just one of the great heavy metal bands. Sharon made up the Godfather thing in the 00s, she told young bands on Ozzfest to say it in interviews. Before that when bands were asked about their influences they mentioned Hendrix, Zeppelin, Purple, Sabbath and more.

