From the outset, Rush was one of the few bands that managed to bridge the outer limits of prog with straight-ahead rock appeal. Moving beyond the obvious (such as it were—no band with this many time changes was aiming for obvious), here’s a playlist that drills down into the Canadian band’s discography for some of their lesser-known songs—particularly fertile territory given how commercially disengaged even their most well-known tunes are. Gymnastic guitar solos, science-fiction vistas, Moog-driven epics that run longer than a walk to the corner and back—here are the mind-bending next steps of Rush.