Only invigorating, blood-pumping, sledgehammer slabs of rock need to apply. So if time travel is ever invented, here are ten shows to hit first out of the gate.
A 14-year-old at his first rock concert stares down a stampede of 15,000 drug-addled maniacs fleeing clouds of choking tear gas in an effort to see Rush play.
Forty years later, Rush's ability to strike a nearly perfect balance between mainstream invitingness and exclusory complexity is even more evident and remarkable. The progressive rock classic, Permanent Waves, is celebrating its 40th anniversary.
Rush drummer and lyricist Neil Peart, one of the most technically gifted rock musician of his - or any - generation - passed away from brain cancer on 7 January, leaving behind an incredible legacy.