The progressive/hard rock band Rush has never been as popular as it is now. A documentary film about the band, Rush: Beyond the Lighted Stage, which was released in the summer of 2010 has been universally well received. They had a cameo in the movie I Love You Man. Their seven-part song “2112” was included in a version of “Guitar Hero” released in 2010. The group even appeared on The Colbert Report.Even legendary trios such as Led Zeppelin, Cream, and The...