Jon Wiederhorn

On Sept. 28, 1978, Black Sabbath released 'Never Say Die!,' their final album with Ozzy Osbourne for three decades.

On Sept. 27, 1986, Metallica's Cliff Burton was killed in a bus crash.

On Sept. 24, 1990, Megadeth issued their 'Rust in Peace' album.

And with that, System of a Down exploded.

Just when it looked like Judas Priest had been dethroned, the defenders of metal lashed back with their 12th album, 'Painkiller.'

A true metal classic.

On Aug. 25, 1998, Rob Zombie began his solo career by releasing 'Hellbilly Deluxe.'

Get the story behind the album.

Take a look back at the landmark disc here.

On Nov. 30, 2004, the two music giants united for this unique project.

Mötley Crüe were unapologetically obsessed with crafting the kind of sticky, sleazy hard rock that defined MTV hair metal.

On Aug. 18, 1998, Korn catapulted to massive fame with the release of 'Follow the Leader.'