If you just set your finger lightly on a guitar (or other stringed instrument) so it cuts the string in half (12th fret on a guitar), or also at the 7th fret or 5th fret, you get a clear, ringing bell sound. This is called a harmonic and is because of the series of overtones in a vibrating string.
And with respect to the OP, I had a pressing of Rocket Man by pre-Sir Elton John that had the click track audible in one of the choruses.
At 2:14 of Irene Cara’s What a Feeling, there is some sort of flub (vocal, I think) right after she sings “What a feeling…” First time I heard it back in 1983 I thought somebody downstairs had called my name.
Gotta be one of the most famous, Barbara Ann. At 28 seconds, somebody goofed up a little bit, but at 1:19 you can hear several of the guys majorly flub the lyrics and start laughing.
Can anyone hear the “Fuck off” in The Kinks’ “You Really Got Me”?
[QUOTE=Ray Davies]
“Halfway through the song it was time for Dave’s guitar solo. This moment had to be right. So I shouted across the studio to Dave, give him encouragement. But I seemed to spoil his concentration. He looked at me with a dazed expression. ‘Fuck off.’ If you doubt me, if you doubt what I’m saying, I challenge you to listen to the original Kinks recording of ‘You Really Got Me.’ Halfway through the song, after the second chorus, before the guitar solo, there’s a drum break. Boo ka, boo boo ka, boo ka, boo boo. And in the background you can hear ‘fuck off.’ You can, you can. When I did the vocal I tried to cover it up by going “Oh no”, but in the background you still hear it ‘fuck off.’ And it’s even clearer on CD, it’s really embarrassing.”
[/QUOTE]
At the beginning of Johnny Rivers’ “Hey Joe” you can hear a marching band in the background.
Supposedly you can hear a distinct “Fuck!” from the drummer in Louie Louie.
The repetitive beep at the end of Fly Like An Eagle was from an incompletely erased tape, but Steve Miller supposedly liked it and kept it in.
Not sure if you’re looking for technical errors, but the on some CD releases of U2’s the Joshua Tree the final line of “One Tree Hill” is instead the first line of “Exit”
In the last verse of “Obla Di Obla Da” John sings “Molly lets the children lend a hand/ Desmond sits at home and does his pretty face.”
I don’t even know what this means.
That’s Paul’s song; John isn’t singing. I don’t understand what the mistake is.
And you think this was an unintentional mistake? 
According to what I’ve heard, the reversal of the lyrics was an error, but it was decided to leave it in.
Thanks.
Yeah, decided to leave it in because no one wanted to go through the recording process again for this piece of shit song.
I love the Beatles to death; this song is a piece of shit.
On “Bob Dylan’s 115th Dream,” the band missed the opening cue, leaving Dylan to start the song alone and then break down laughing. All this made it into the final recording.
Apparently John was none too fond of it. 
Astrud screws up almost immediately. It’s beautiful anyway.
Sorry, I’m going to keep picking apart here, but where’s the mistake?
(It’s a beautiful song by the way.)
“…but here’s …(pause) …but here’s that rainy day”.
I guess. Although it may not have been a mistake.
ETA: I really am loving this song.