and 247 years of independence. tonight, the largest fireworks show on television, with dazzling displays in cities from coast-to-coast, and amazing music to get the party going, including these talented performers. post malone, demi lovato, ludacris, shania twain, darius rucker, zac brown band, leon bridges, the all-american rejects. smashmouth, alanis morissette. clean white t s, duran duran and the united states air force band. now a cnn special event the fourth in america. what a way to kick things off. the united states air force band performing the stirring first of blue march live on cnn. welcome to washington, d.c., on this glorious independence day. crowds are gathering on the national mall and all across the nation s capital. we ll see the lincoln memorial and other monuments light up very soon in one of the biggest fireworks shows in the country. happy fourth of july, i m dana bash with morris sanchez. i m thrilled to be with you and also our viewers on this w