Voice Of Champions: NBC Olympics has teamed with The Voice and Republic/Big Machine's Danielle Bradbery for a promotional campaign featuring her song "My Day," which debuted last night on the network (12/10). Sixty and 30-second spots featuring her performance will air across NBC's family of networks leading into the 2014 Winter Olympics in Sochi. Watch here. The song was written by Ross Copperman, Tom Shapiro and Mallary Hope.