Top talent lined up for Obama's inaugural events

Alicia Keys performs at the People's Choice Awards at the Nokia Theatre on Wednesday Jan. 9, 2013, in Los Angeles. Katy Perry, Smokey Robinson, Usher, Alicia Keys and Brad Paisley are among the stars announced today to sing at Obama's inaugural balls Jan. 21 and a children's concert on Jan. 19. Also signed up are Marc Anthony, Stevie Wonder, John Legend and the cast of "Glee."