Got to Get You into My Life

The harmony is a vehicle for the brass arrangement rather than a structural feature in its own right. The I–I7–IV–iv movement comes straight from Stax and Motown vocabulary, and McCartney deploys it cleanly: the borrowed iv (Bbm) introduces the only chromatic shadow in an otherwise open, jubilant major key. Everything else points toward the horn fanfare and McCartney's vocal as the real carriers of the song's energy.

Paul McCartney wrote 'Got to Get You into My Life' in early 1966 following his first encounters with marijuana. Though officially credited to Lennon–McCartney, McCartney was the sole author and lead vocalist. In Barry Miles' 1997 biography Paul McCartney: Many Years from Now, he confirmed: 'Got to Get You into My Life was one I wrote when I had first been introduced to pot ... So it's really a song about that, it's not to a person.' The lyrics — 'I took a ride, I didn't know what I would find there / Another road where maybe I could see some other kind of mind there' — read straightforwardly as a love song, which kept the meaning hidden from censors for over a decade.

Released on Revolver in August 1966, 'Got to Get You into My Life' was Paul McCartney's response to discovering marijuana — not a romantic declaration, as he later confirmed, but 'an ode to pot, like someone else might write an ode to chocolate or a good claret.' The arrangement pivoted from an early harmonium-and-guitar demo toward Memphis soul and Motown brass, courtesy of a close-miked horn section added on 18 May 1966 — the first time the Beatles had ever used one in the studio. That decision gave the track a rawness and urgency unlike anything else on the album, and the song has kept circulating ever since: a 1976 single reached number one in Canada, and Earth, Wind & Fire's 1978 cover cracked the US top ten.