The "fight song" of the University of Oklahoma is "Boomer Sooner", a version of "Boola Boola", the fight song of Yale University, combined with a version of "I'm a Tar Heel Born", the fight song of the University of North Carolina at Chapel Hill. "Boomer Sooner" was written by Arthur M. Alden in 1905. Other songs played at athletic events by The Pride of Oklahoma Marching Band are a version of Rodgers and Hammerstein's "Oklahoma!", "OK Oklahoma", played after extra points, and the "OU Chant." At home games, The Pride of Oklahoma Marching Band plays that visiting team's "fight song" while facing their fans.