Paul Frederic Simon is an American singer-songwriter and guitarist, known for his solo work and his collaborations with Art Garfunkel. He and Garfunkel, whom he met in elementary school in 1953, came to prominence in the 1960s as Simon & Garfunkel. Their blend of folk and rock, including hits such as "The Sound of Silence" (1965), "Mrs. Robinson" (1968), "America" (1968), and "The Boxer" (1969), served as a soundtrack to the 1960s counterculture. Their final album, Bridge over Troubled Water (1970), is among the best-selling of all time.