Most people don't know there was a great comedic film called "I Love You, Man" (2009) about a guy sent out by his fiance to find friends to fill out his half of the upcoming wedding ceremony. Paul Rudd finds Jerry Segal and bond through their mutual love for the music of Rush.
Here's a clip where they totally dork out in the band's Green Room.
Saw them on the Roll The Bones tour. Of course it was an elevating experience.