Few songs can claim to be ground zero for heavy metal. Black Sabbath’s eponymous 1969 album opener is largely accepted as the genre’s starting point, but Blue Cheer's "Summertime Blues ...

Pepper’s Lonely Hearts Club Band,” followed by “Helter Skelter.” Starr took the mic once again after the second song had ended, saying: “I’ve had a great night and I love you all.