It was written by Paul McCartney and was originally recorded by the band during the Let It Be album sessions in three takes between 6 and 9 January, 1969, at Twickenham Film Studios.
[citation needed] The song was used as the end-credits music for the first episode of the Disney+ documentary The Beatles: Get Back, in which it also makes a brief appearance earlier in the episode, where it was credited to Lennon/McCartney/Harrison/Starkey.
[3][4] Music critic Richie Unterberger noted McCartney's "particularly elegiac" organ, and the "flowing, bluesy guitar lines", saying it was about as close as the band ever came to progressive rock jamming - "highly uncharacteristic territory for the group to be wandering into, but interesting precisely for that reason.
"[5] Tom Taylor of Far Out Magazine put it at #1 in his list of "The 10 Greatest Unreleased Beatles Songs," praising the "effervescing melody that you could listen to all day.
"[6] New York Magazine's Vulture website called each musical element "beautifully considered," saying "it's all very turn-off-your-mind-relax-and-float-downstream.