Jon Wiederhorn

Careful not to hurt yourself on all this edge.

On Aug. 26, 2008, Slipknot issued their final album with the late Paul Gray, 'All Hope Is Gone.'

On Jan. 17, 2001, bassist Jason Newsted revealed the news that he was exiting Metallica.

Take a look back at the landmark disc here.

Megadeth's third album arrived on Jan. 19, 1988.

Some say this is Priest's best album.

KISS released their 'Rock and Roll Over' album on Nov. 11, 1976.

On Sept. 20, 1980, Ozzy Osbourne delivered his first solo album, 'Blizzard of Ozz.'

On Sept. 17, 1991, Ozzy Osbourne reached a career turning point with his solo disc 'No More Tears.'

Dave Mustaine would go on to form Megadeth and release one of the best thrash debut albums ever.

It wasn't an April Fool's joke. Kirk Hammett got the call to come audition for Metallica.

Ozzy and Sharon Osbourne were sent fleeing from their Buckinghamshire estate due to a fire in 2005.