Side four
was the first track recorded for the album, with sessions for the backing track starting on 30 May. The initial takes were recorded as a possible single, but as the session progressed, the arrangement became slower, with more of a laid-back groove. The group ended the chosen take with a six-minute improvisation that had further overdubs added, before being cut to the length heard on the album. The brass arrangement was added later.
McCartney wrote as a pastiche of the 1920s' flapper dance style. The opening section had the sound of an old 78 RPM record overdubbed while Martin arranged a saxophone and clarinet part in the same style. Lennon played the guitar solo on the track, but later said he hated the song, calling it "beyond redemption".
was named after one of the types of chocolate found in a box of Mackintosh's Good News, which Clapton enjoyed eating. The track featured a saxophone sextet arranged by Thomas, who also played keyboards. Harrison later said that Derek Taylor helped him finish the lyrics.
Lennon began writing in late 1967 and the lyrics were partly derived from the tagline of an old television commercial. Martin played harmonium on the track.
evolved from the overdubs from the "Revolution 1" coda. Lennon, Harrison and Ono added further tape collages and spoken word extracts, in the style of Karlheinz Stockhausen. The track opens with an extract of a piano theme from a Royal Schools of Music examination tape, and climaxes with Ono saying "if you become naked". Ono was heavily involved in the production, and advised Lennon on what tape loops to use.
McCartney was out of the country at the time and did not contribute to the track, and was reportedly unhappy that it was included. He had led similar tape experiments such as "Carnival of Light" in January 1967. The track has attracted both interest and disapproval from fans and critics over the years.
Lennon wrote as a lullaby for his son Julian, and wanted Starr to sing it. The early takes featured just Lennon on acoustic guitar and Starr singing. Martin scored an orchestral and choral arrangement that replaced the guitar in the final mix, and also played the celesta.
