I used to wonder how bands and orchestras knew how to play music for vocalists (I didn't understand that performances were prepared because it appeared to me that the singer spontaneously started breaking into song and the musicians were able to figure out how to play for him/her).
A childhood belief about songs

others believed things like this
- I used to think that a conductor while conducting told the players what to play as opposed to their music.— Daryl
- I used to think that when a song finished on the radio it would play again on the next station— Maria
- My dad told me that ice cream vans only play music when they have run out of ice cream. Anon
- I used to believe that the Ice Cream truck would only play music when it was out of ice cream. Thanks, Dad.Anon
- I thought that singer/songwriter was spelled this way: sing-a-song-writer...Anon
- i used to think when you sleep your eyes turened round to watch performances in your head— rasverone