Actor and musician Dennis Quaid performs with his band, The Sharks, during the taping of "American Bandstand's 50th...A Celebration," in Pasadena, California April 19, 2002. [The show, hosted by Dick Clark is scheduled for broadcast on ABC May 3 and will feature taped performances by Cher, KISS, Brandy, Stevie Wonder, Michael Jackson, Alanis Morissette and others.]