Canada’s favourite identical-twin musical siblings have been doling out the indie-pop jams for going on two decades at this point, and have earned themselves the reputation, fanbase, and careers to show for it. There probably isn’t an aficionado of Canadian pop in existence who doesn’t at least recognize the names Tegan and Sara, but that being said, it’s a less-sizeable contingent of people who can actually tell them apart. Just how much of a T & S megafan are you? Enough of one to be able to correctly identify which one’s which? Take our quiz below, and find out!