When ever I would see a commercial for music sets featuring music by Mozart and Chopin on TV- I thought it was actually them playing it. Until I was about 11..
A childhood belief about adverts

others believed things like this
- My music teacher once said that music in an electrical piano was made by little tiny men that lived inside it.Anon
- I used to believe if you listened to to music upside down the music would be backwards— HOopty
- I used to think that AM and FM stood for "American Music" and "Foreign Music."— Sylvia Fowler
- When I was a child I used to believe that stand up pianos actually told jokes as well as playing music.— L MAN
- i used to believe (because my dad told me so) that AM stood for "awful music" and FM stood for "fine music"— skydvgrl
- My parents told me that when the ice cream van was playing music, it means he's run out of ice cream :(Anon