 While Garfunkel was not a songwriter, he did write the poem "Canticle" as a re-write of Simon's "Side of A Hill" from his debut album, for "Scarborough Fair/Canticle".He worked as the vocal arranger for the duo, working out by whom the songs would be sung and how each song was produced.He is also credited as having written the arrangement on "The Boxer" and creating "Voices of Old People" (an audio montage) on "Bookends".