One of Canada’s most influential cultural couples, Chantal Kreviazuk and Raine Maida have earned nearly every accolade their country can give them, including a joint appointment to the Order of Canada for their humanitarian efforts. But ask them what their greatest success has been and they’ll tell you it’s their 20-year marriage and three sons, a partnership they intimately explore in their new musical collaboration, Moon vs. Sun, and docufilm, I’m Going to Break Your Heart.