Alex Lifeson recently discovered a brilliant new practice regimen to keep his chops up: playing Rush songs with former bandmate Geddy Lee. It’s something they hadn’t done regularly in nearly a decade, as Rush played their final show in 2015 and called it quits after the death of drummer Neil Peart in January 2020. But lately, the guitarist has been getting a kick out of casually revisiting the band’s catalog with Lee. “We decided that we would play some Rush songs. Because, you know, we haven’t played these songs in 10 years,” Lifeson tells UCR. “We started that a couple of weeks ago. We get t…