Angine de Poitrine has gone from a quirky Quebec music project to an international sensation — and tonight, the mysterious duo takes another big step, making its U.S. late-night debut on The Tonight Show Starring Jimmy Fallon. But if you listen to their music and find yourself wondering, “What exactly am I listening to here?” — you’re not alone. So what is it about this strange, highly technical style of math rock that has people around the world paying attention? Dr. Doug Helvering, Classical composer, educator, conductor and creator of The Daily Doug, spoke to Andrew Carter.

Photo Credit: THE CANADIAN PRESS/Arlyn McAdorey