Metallica Pictures

Metallica's career spans four decades, and in those years they have released more than 40 singles.

Is that not the biggest pedal you've ever seen?

Metallica have some of the coolest band shirts around.

It had James Hetfield's Hancock.

Metallica's first 40th anniversary show at San Francisco's Chase Center covered the band's history, and featured a song they've never performed live.

See the toddler long before drums were part of the picture.

Drive-in, tune on, rock out. Yeah!

But the memories remain.

Check out our review and gallery of Metallica's intimate club show at NYC's Webster Hall.

Metallica are back in the studio working on their new album as a photo featuring Robert Trujillo surfaces online.