Jon Wiederhorn

Read the story behind this revolutionary debut.

On July 21, 1971, Black Sabbath released their 'Master of Reality' album.

On July 21, 1987, the world was introduced to Guns N' Roses through their debut disc 'Appetite for Destruction.'

A tour for the ages remembered for all the wrong reasons.

Black Sabbath, with Ronnie James Dio back in the band, released their 'Dehumanizer' album on June 22, 1992.

A true game changer.

It wasn't an April Fool's joke.

On March 3, 1986, Metallica unleashed their third studio album, 'Master of Puppets.'

On Feb. 18, 1974, KISS arrived on the scene with their self-titled debut album.

Farewell to a king.