Jon Wiederhorn

On Dec. 28, 2015, we lost an all-time legend.

Metallica stepping way outside their comfort zone.

The last GN'R album with Slash and Duff.

This would be the band's first album with guitarist Janick Gers.

On Aug. 7, 1986, the lawsuit against Ozzy Osbourne over the death of a fan who had listened to the song 'Suicide Solution' came to its resolution.

On May 24, 1986, AC/DC released 'Who Made Who,' the soundtrack for the Stephen King film 'Maximum Overdrive.'

One of the biggest albums ever.

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

Here's where it started for Guns N' Roses, not long before they were introduced to the masses.

March 15, 1976.