“Good Morning America” announced its 2010 Summer Concert Series lineup with acts covering a wide spectrum of popular music – from artists such as Rihanna, Black Eyed Peas and Alicia Keys to pop sensations the Jonas Brothers and Demi Lovato, and Miley Cyrus all the way to country artists Sugarland and Lady Antebellum, “GMA” will be a popular morning destination all summer [...]