Dream Theater

'He left us with some of the most beautiful music this planet has ever heard,' said Rudess.

Listen to a teaser of their new music together.

We celebrate the band's entire catalog.

Watch the clip and see the group's other remembrances.

The past and present Dream Theater rockers are still pals.

Portnoy's No. 1 album of the year is...

'Images and Words' — literally.

Prog gods to barstool warriors!

Coming from the singer of the most progressive metal band ever.