Considering all the time and effort -- just the sheer amount of people who listen to a major label release during production -- that gets invested in a record, it's surprising how many little mistakes can fall through the cracks. On the other hand, it really depends if you view all of these as "mistakes;" music is simply about the feeling (, man). The users on the subreddit /r/Productionglitches try to figure out whether the anomalies they hear are legit editing oversights or just mistakes that they decided to keep on a whim. Either way, these might ruin (or enhance) your experience going forward. No looking back:
At 2:14 there's an Auto-Tune glitch on the word "haven't"
Sting accidentally sits on the piano at the beginning of the song and laughs.
Another blooper two seconds in; piano mishit.
You can hear the accompanying instrumental track -- playing from the headphones she's wearing in the vocal booth -- bleeding into her vocal feed at 3:45.
Starts singing four bars too early at 0:14. Bizarre that it was kept.
Another case of vocals coming in too early. Here at 1:55
There's a pop before every chorus. You can't unhear this.
Vocal blip at 3:01
Drummer thinks there's another verse at the end of the song (at 2:22). Lead singer says "hey!" and they argue.
Also see: 8 Songs Greatly Improved with the Addition of Air Horn
How Things Work: 9 Interesting Things Explained Visually in Under a Minute (GIFs)