FILE - In this Feb. 3, 2013 file photo, Jennifer Hudson performs with students from Sandy Hook Elementary School singing "America the Beautiful" before the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens in New Orleans. In the weeks since the school shooting, the music world has helped the town come together and heal. (AP Photo/Gerald Herbert, File)
Students from Sandy Hook Elementary School stand at attention as Alicia Keys performs the national anthem before the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elise Amendola)
Students from Sandy Hook Elementary School sing "America the Beautiful" before the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)
HARTFORD, Conn. — Professional football players were on the verge of tears when a group of 26 children who escaped the massacre at the Sandy Hook Elementary School joined Jennifer Hudson at the Super Bowl to sing “America the Beautiful.” The performance last week was …