Photo Gallery: Dick Clark: April 18, 2012 21/22

FILE - In this 1973 file photo released by ABC, Dick Clark presents the Rock and Roll Year_ a musical portrait of the 1950s and 1960s on the ABC television network in a series of five specials. Clark, the television host who helped bring rock `n' roll into the mainstream on "American Bandstand," died Wednesday, April 18, 2012 of a heart attack. He was 82. (AP Photo/ABC, File)  ORG XMIT: NYDC208