Demi Jonas Miley GMA SUMMER Concert

Good Morning America 2010 Summer Concert Series lineup will perform at Central Park's Rumsey Playfield. Kicking off on May 21 with the Jonas Brothersand Demi Lovato performing songs from Camp Rock 2 The Final Jam. June 18 Miley Cyrus and August 13 Jonas Brothers and Demi Lovato, Camp Rock 2.