Jon Wiederhorn

Their first album with Janick Gers.

On Aug. 31, 2004, Lamb of God broke through with their third album.

One of the biggest albums ever.

Here's how one of the most successful rock albums ever came together.

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

A huge commercial success following 'Rust in Peace.'

After a few years of generating some buzz, Avenged Sevenfold finally made their big breakout with the 'City of Evil' album.

On May 16, 1983, Iron Maiden issued 'Piece of Mind,' their first album with drummer Nicko McBrain.

On May 15, 1987, Motley Crue released their 'Girls, Girls, Girls' album. Dig into the history of the classic album and how it came together.

It'd be the last with Bruce Dickinson for a while.

On April 27, 1979, after various attempts to get Ozzy back on the team, Black Sabbath fired their lead singer.

It wasn't an April Fool's joke.