Geddy Lee

Duo joined Primus and show creators for rendition of “Closer to the Heart.”

The Rush vocalist recently appeared with his mother on 'From Cradle to Stage.'

Surviving Rush members talk regularly about collaborating.

Trio abandoned anything if they thought they were “beating a dead horse.”

Former frontman is still considering new project, but hasn’t started work.

“Even I gulped when I saw I was trending," the bassist writes. "But I asked my dogs, and apparently I’m a bit boring but otherwise fine."

Rush bassist pays tribute to late UFO member as Iron Maiden also acknowledge his influence.

The bassist can't attend games, but he's there in spirit.

Rush frontman didn't find image of one of his early instruments until recently.

The Band’s Robbie Robertson, singer Bryan Adams and the Guess Who’s Burton Cummings are among the other artists appearing on the special.