Jon Wiederhorn

Out of retirement and into the studio.

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.

A monster album.

One of metal's most important albums.

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

You wanted the best, you got the best!

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

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

On Aug. 12, 1991, Metallica released their biggest selling disc, known as 'The Black Album' to fans.

On Aug. 11, 2011, Warrant frontman Jani Lane was found dead in a hotel in Woodland Hills, California.

One of the biggest albums ever.