FILE – This 1969 file photo shows musicans Art Garfunkel, left, and Paul Simon of Simon and Garfunkel.Simon and Garfunkel’s song “Sounds of Silence,” which was written amid the turmoil following President John F. Kennedy’s assassination, will join Chubby Checker’s 1960s dance hit “The Twist” as two of 25 recordings selected for preservation at the Library of Congress. (AP Photo)