Paul Simon, finds that "textural elements are variously supported by a churning groove, percussive, and distorted electronic sounds" that complement the song's subject matter, suicide suburban youth. The song "America" explores the search of meaning in the life of a young adult. "Overs" explores a more jazz-oriented style, with a larger selection of chords and looser form than the group's previous styles. "Voices of Old People" is a sound collage, and was recorded on tape by Garfunkel at the United Home for Aged Hebrews in New Rochelle, New York, and the California Home for the Aged at Reseda. The collection of audio recordings of the elderly find them musing on treasured photographs, illness and living conditions. In "Old Friends", the title generally conveys the introduction or ending of sections through repetition, and the song builds upon a "rather loose formal structure" that at first includes an acoustic guitar and soft mood. An additional element is introduced midway through the track: an orchestral arrangement conducted by Jimmie Haskell, dominated by strings and xylophone notes. Horns and other instruments are added when the duo cease singing, creating a turbulence that builds to a single high, sustained note on the strings. The song then segues into the final song of side one, the reprise of the "Bookends Theme". Side two consists of miscellaneous unrelated songs unused for The Graduate, with many possessing a more rock-based sound than the unified folk songs that precede it. Simon felt the album's second side was composed of throwaway tracks: "They didn't mean a lot. They weren't well recorded." In "Fakin' It", melodies are occasionally deleted to suit lyrics, but the song generally follows a similar chord structure and melodic outline over a "funky rock beat" that sonically references the Beatles' "Tomorrow Never Knows". "Punky's Dilemma" is breezy and minimal musically, with a soft jazz-style percussion and seemingly improvised guitar lines dominated by major and minor seventh chords. "Mrs. Robinson" opens with an "instantly recognizable" pop rock guitar hook that carries throughout the track. The first verse consists only of syllables—"dee-dee-dee" and "doo-doo-doo"—that form stable harmonic foundation. The inclusion of the meaningless syllables arises from the unfinished nature of the song when pitched to director Mike Nichols, who particularly liked the verse. "A Hazy Shade of Winter" follows a more rock-tinged sound, with a fairly straightforward verse-refrain structure. "At the Zoo" uses a rock groove that settles into