ABC's "Nashville" has been renewed. The news was announced by Ben Sherwood, co-president of Disney ABC Television Group, at 11:36 p.m. CT. "Congratz and welcome back for Season 3 to @Nashville_ABC," he tweeted, naming stars Connie Britton, Charles Esten, creator Callie Khouri and "the whole Nashville team and loyal fans." According to a tweet from the show's transmedia producer, Geoffrey Colo, the show will return for a full 22-episode season. "Nashville" had been considered "on the bubble" between renewal and cancellation throughout its second season. The Nielsen company reported that it has averaged 4.5 million viewers in season 2, which is a 9 percent decrease from its first season. But as a musical force and multmedia brand, it has continued to grow. The show released its fourth soundtrack album with Big Machine Records earlier this month, with more than 600,000 total albums sold to date. The top-sellin