Rush and Deep Purple both pushed rock into new territory yet their legacies are debated to this day. Rush built sprawling prog rock epics filled with precision and virtuosity. With Geddy Lee’s soaring vocals Neil Peart’s intricate drumming and Alex Lifeson’s adventurous guitar work the Canadian trio turned complex songs into stadium anthems. Deep Purple meanwhile gave the world some of the heaviest riffs ever recorded. Ritchie Blackmore and Jon Lord created a thunderous sound that helped invent