In the song 'Yesterday' by the Beatles, the line goes: I said something wrong, now I long for yesterday. I used to believe it went: I said, 'Something wrong?' Now I long for yesterday. It's a small but very important difference.
A childhood belief about misheard lyrics

others believed things like this
- Up until I was ten I believed that Yesterday was a day of the week— Kirsty
- i used to think that housten was a real person and not a place, im 16 and i found this out yesterday......!lol— jess p
- i used to belive that kidney beans were bean shaped things that grew in kidneys... untill yesterday — Jokey
- Yesterday I realised that invisible ink doesn`t make me invisible.— Jonathan Eleven years old
- The Beatles song "Ticket to Ride" always came out "She's got a tick in her eye."— Kurt
- I used to think a female daddy-long-legs was called a "mummy-long-legs".Anon