The Rock and Roll Hall of Fame today announced its 2012 inductees: Guns N' Roses, the Red Hot Chili Peppers, the Beastie Boys and the Small Faces, Laura Nyro and Donovan will be inducted at the 27th annual ceremony on April 14 in Cleveland. Other honorees include late bluesman Freddie King, music impresario Don Kirshner, producers Tom Dowd and Glyn Johns and New Orleans R&B icon Cosimo Matassa.