The new musical tells the story of "an unlikely pair of Mormon missionaries who venture from Salt Lake City to AIDS-ravaged Uganda in the hopes of converting villagers with the story of Joseph Smith and the founding of the Mormon Church. The problem is: Only one of them has actually read the book."
On "Late Night with Jimmy Fallon," the dynamic duo talk about how they started composing musicals in college, 15 years of "South Park" (including Trey's Cartman impression), their collaboration with Avenue Q's Robert Lopez, and the journey to the opening of their new musical.
To check out their interview with Fallon, look below: