Tool

See the set list and video from the band's tour opener in New Zealand.

These rockers met in high school and have stayed connected years later after making it big.

Primus had 'South Park' co-creator Matt Stone on drums during their Los Angeles show. He was far from the only special guest throughout the night.

Breaking down the most collected albums from Tool, Dream Theater, Rush and other big prog acts.

As we continue to process the mind-blowing spectacle that was Back to the Beginning, we still can't believe these eight things happened.

Adam Jones said that Tool initially weren't going to play Black Sabbath's 'Back to the Beginning' farewell concert, but they changed their minds.

The star-studded lineup just got some additional star power with three name acts joining the all-day Back to the Beginning concert in July.

"Their singer has a winery, which is pretty funny all by itself."

From grunge to nu-metal, pop-punk to Brit-rock and all the alternative stuff around it, the '90s were a great period for rock music.

Vocalist Maynard James Keenan called out a fan for using their cellphone during Tool's show in Los Angeles on February 14.