Dick Clark's contribution to rock 'n' roll is now set in concrete. The "American Bandstand" host was honored Thursday with a spot on the Hollywood Rock Walk that includes his signature and handprints. Previous inductees to the Rock Walk include Elvis Presley, Chuck Berry, Bo Diddley, Johnny Cash, B.B. King, Buddy Holly, Jimi Hendrix, Roy Orbison, Aerosmith, Little Richard, Carol King, Stevie Wonder and Jerry Lee Lewis.