[1] The wall of sound features King Curtis on saxophone, Nicky Hopkins on piano and Badfinger's Tom Evans and Joey Molland as well as ex-Beatle George Harrison on guitar.
[4] Music lecturers Ben Urish and Ken Bielen suggest that Lennon generates tension by having his voice rise and fall with each item on the list.
[6] Beatle biographer John Blaney found the song to be "unadventurous" and "little more than an extended jam", but redeemed by Spector's "layers of echo that lend it an eerie texture" and by Curtis' saxophone.
"[3] The song was covered by grunge supergroup Mad Season in 1995 and released as a bonus track on the deluxe version of their only studio album, Above, in 2013.
The track was also reimagined by Cowboy Junkies on their 2005 studio album Early 21st Century Blues, including a rap element from Kevin "Rebel" Bond.