ozzy osbourne

He insists he can't retire despite health issues.

Iron Maiden, Guns N' Roses and Tool will also take part in the rock and metal extravaganza.

Legendary acts are rumored to headline, along with Metallica and Iron Maiden.

The singer shares his thoughts on future touring and his health.

Prince of Darkness insists he's still "working my guts out to try and get back on my feet."

Bats?!

See what he had to say.

Guitarist says they "got carried away" after being asked to write songs together.

Billy Idol, Joan Jett and Gary Clark Jr. appear in the Workday spot as well.

Stewart Copeland, Willie Nelson and Edgar Winter were also among the winners.