when i was around 4 i used to believe that at some times in history and in some countries music would suddenly start playing out of nowhere and for because that's what always happened on films and tv programmes.
A childhood belief about history

others believed things like this
- When I was a child I used to believe that stand up pianos actually told jokes as well as playing music.— L MAN
- My parents told me that when the ice cream van was playing music, it means he's run out of ice cream :(Anon
- when i was a kid my mother told me that when the ice cream man was playing his music he was out of ice cream— Lynnzea
- I used to think that air guitar was a style of guitar playing in rock music.Anon
- I used to believe that if the ice cream truck was playing music, it had sold out of ice cream.— Deprived of ice cream
- If the ice cream truck is playing music, it means they are out of ice cream.— Virginia