Jon Wiederhorn

A major shift toward the progressive side.

Here's how it happened.

The legendary third album and major label debut from Metallica.

On Feb. 18, 1974, KISS arrived.

Celebrate the anniversary of Black Sabbath's groundbreaking debut album that introduced a new sound to hard rock.

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

It would be their last with David Lee Roth for quite some time.

On Jan. 8, 1991, Def Leppard's Steve Clark died from an overdose.

The second half of what was supposed to be a double album for Metallica.

The last album with Randy Rhoads.

So much for retirement. Ozzy Osbourne made his 'comeback' in 1995 with the 'Ozzmosis' album.

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