Tom Bergeron hosts a celebration of America's birthday, featuring fireworks and performances by Frankie Valli, Patti LaBelle, Jordin Sparks, Michael McDonald, Sara Evans, Kendall Schmidt, Kelli O'Hara and the National Symphony Orchestra led by Jack Everly. Composer John Williams also unveils a special arrangement of the "Star Spangled Banner" that features the Joint Armed Forces Chorus, Choral Arts Society of Washington and U.S. Army Herald Trumpets. From the West Lawn of the U.S. Capitol.