On This Day in Rock and Roll History – December 14, 1956 The motion picture Don’t Knock the Rock opens in theaters across the United States, capturing a pivotal moment in the early rock and roll revolution. The film stars Little Richard and Bill Haley and His Comets and centers on legendary disc jockey Alan Freed, playing a version of himself as he battles skeptical parents and authority figures who believe rock and roll is corrupting America’s youth. At the heart of the story is a cultural clas