Now well into his seventies, Ozzy Osbourne is metal’s unlikeliest survivor. After decades of hard living, tragic band member deaths, and numerous health scares, the Prince of Darkness delivers his 13th solo album fast on the heels of his 2020 mainstream smash Ordinary Man. Like its predecessor, Patient Number 9 was produced by multi-instrumentalist Andrew Watt and boasts a head-spinning array of guest stars—including return appearances from Guns N’ Roses bassist Duff McKagan and Red Hot Chili Peppers drummer Chad Smith alongside Metallica bassist (and Ozzy’s former sideman) Robert Trujillo and late Foo Fighters drummer Taylor Hawkins (in one of his last recording sessions). But it’s stellar guitar cameos from the likes of Jeff Beck, Eric Clapton, Pearl Jam’s Mike McCready, and Ozzy’s longtime collaborators Tony Iommi and Zakk Wylde that really give the record a varied, multigenerational feel, as each guitarist lends his signature sound to the respective tracks. “Eric Clapton and Jeff Beck are megastars,” Ozzy tells Apple Music. “I didn’t think they’d want to play on my album. But they both did.” The tasteful tonal differences between singles “Degradation Rules” (featuring Iommi), “Nothing Feels Right” (featuring Wylde), and the title track (featuring Jeff Beck) help make Patient Number 9 one of Ozzy’s most diverse albums yet. “I’ve been doing it 54 years,” he says. “If I don’t know what I’m doing now, I shouldn’t be doing it.”