I did not upload any of the videos linked in this post (the titles are as appearing on YouTube), but I added my comments that are reproduced here.
There is a transcription for a forwards cryptic portion added as a bonus.
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https://www.youtube.com/watch?v=aoWfYvWe7zU
Tomorrow Never Knows Reversed
Paul McCartney told Bob Costas in a 1991 interview, "We could've had a really Satanic message, and with the power WE had - boy, you know, we could've made quite a difference the OTHER way. But we always chose NOT to do that: Nobody was remotely interested in that." The reversed messages in Tomorrow Never Knows manifest this renunciation of the dark forces, and express the need for the divine power of the Saviour Lord Jesus Christ to overcome spiritual wickedness. I had published the entire transcription in a discontinued book entitled "REVERSER," focusing on the Revolver album, where the band first used backwards tapes; that could be re-released under a new title to include material created subsequent to the Revolver LP. The line I'm choosing for a sample here starts at 1:11:
'There's a fallen DEMON named Lucifer'
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https://www.youtube.com/watch?v=wd52dw6PI0w
Strawberry Fields Forever Reversed
At 1:09 and frequently,
'Now they're COMPLETELY reversed!'
According to a sound engineer, after the Revolver LP sessions The Beatles requested backwards playback of their studio takes: here a prominent message was that the songs had separate forward and reverse meanings, as a new innovation. At a Beatles symposium a panelist who had attended a White Album session recounted a heated discussion between band members concerning how a lyric change would affect the reverse song being simultaneously composed.
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https://www.youtube.com/watch?v=9tCdHGa2keI
Sgt. Pepper Inner Groove Reversed
First, since this sample fades in, it is neither the loop repeating as heard when the stylus is trapped in the vinyl groove, nor the entire brief original recording that took an entire session, which was available on the Parlophone mono version cd, but does not repeat. This seems a non-endless representation of the loop repeating for another cd version; when the vinyl disc was cut, only most of the snippet fit the inner groove. It has been revealed Paul McCartney was using the phrase "I never could speak any other way" forwards, but that was apparently a distorted sound-alike for the intended message; George Harrison also says something significant in the background, emerging in an incomplete form for the vinyl disc cut. When fans insisted they had heard an obscenity by playing it backwards, it was distressing to Ringo Starr, who expressed futility, and asserted closer listening should bring the realization they were trying to say something nice. Without disclosing the forward meanings, Harrison's part, or what was in the truncated portion, I can offer here the baby-step of correcting the previous mishearing: fans presume the group was hypersexual and supremely conceited, warping expectations. They were more likely humbly sublimating themselves - instead of 'We'll (expletive) you like we're Supermen,' the reversed message sounds closer to, 'You KNOW we can't be supermen.' John Lennon was once crushingly quoted as saying if he got big-headed all he had to do was look at Ringo to know they weren't supermen. I have also heard a strange variant out-take version that reverses to, 'We can't be TRUE supermen.'
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https://www.youtube.com/watch?v=Rz-naiRcjXI
Penny Lane Reversed
The choral part reversed bears a message so utterly sublime I am reluctant to disclose it, but there is a whimsical part that fans might appreciate as relating to their touring days, at 1:10 -
'Here's to the populace of San Diego:
There and Paris all the bed linen is fresh at night'
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https://www.youtube.com/watch?v=63vFgSKDPoc
Magical Mystery Tour Reversed
The basic message in this song reversed was slyly hinted at by McCartney while appearing to merely comment on their early days, looking back at the group objectively, so a transcription would match those remarks. The barker opening continues the joke, representing a mock introduction by Ed Sullivan, ironically arriving at the end backwards. The part I'll reveal here is at 2:12:
'And - when we did something musical,
We would sing the next number!'
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https://www.youtube.com/watch?v=EYF30DOEMdY
Happiness Is A Warm Gun Reversed
The six repetitions of "Mother Superior jump the gun" reverse to 'Mocked at my theory of Christendom' 1:10 to 1:30
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https://www.youtube.com/watch?v=OXdRI-mtz1A
The Beatles - Hey Jude (Reversed)
A panelist at a Beatles symposium who had attended a White Album session recounted overhearing a heated discussion among the band members about how a lyric change would affect the reverse song they were simultaneously composing. So I closely studied the tracks that way, starting with the Revolver songs. This one seems to have clues to the backwards meaning in its forward lyrics: "let her under your skin" is one; "the movement you need is on your shoulder" is another. The long coda with tortured screaming also fits the reverse message, which is independent of the subliminal forward meaning. The title turned backwards becomes 'Fore-skin': it is easiest to hear in the opening part (end of the reversed track) - at 6:45 here, 'Try a thick and moist - Fore-skin... Now wrap - the penis - don't snip on it.' The US and UK both promoted circumcision circa the 1870s, but while in America it was considered a status symbol done to infants, the British clipped sailors, who complained, and the practice was discontinued. John Lennon in his nude photo with Yoko for Two Virgins left no doubt he was intact.
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https://www.youtube.com/watch?v=wiTM0zNx9PU
Carry That Weight Reversed
GOD -
LOVES MARTYRDOM -
But He blots his name -
When he LIKES To Martyr!
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https://www.youtube.com/watch?v=JQrEb9LIb4k&t=159s
John Lennon Give Peace A Chance Reversed
It's a peace message backwards too: from 0:33 there are repetitions of "All we are saying - Is Give Peace A Chance" that reverse to
'LET'S stop creating -
THIS - sodding war!'
It is a stronger anti-war message, particularly since 'sodding' is a British expletive.
* {The forwards cryptic bit bonus:}
https://www.youtube.com/watch?v=rhS_G1K3cv8&t=195s
THe Unsolved Mysteries of The Beatles' Wildest Song
The distorted vocal bit works with the subliminal message in the basic melody (which won't be given here), it appears to be George still in lead vocal, yet altered and double-tracked, like a recurring superimposed edit piece. One might recall the caption attributed to McCartney on the Two Virgins cover, about two great saints meeting (applicable to John and Yoko) producing a humbling experience. The subtext of It's All Too Much appears to surprisingly be humility itself, with George oddly and emphatically declaring (at 2:46 in this presentation),
"WE - DON'T - GIVE -
Harrison -
The name 'Saint'!"
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