Black Sabbath co-founder Geezer Butler recalls being surprised at how “frail” Ozzy Osbourne was in the weeks leading up to the band’s last concert on July 5.

The Essential Ozzy Osbourne vaults 134-7 the Billboard 200 (dated Aug. 2), following Osbourne ’s death on July 22.

Ozzfest was like a heavy-metal summer camp.