i used to believe (because my dad told me so) that AM stood for "awful music" and FM stood for "fine music"
A childhood belief about radio

others believed things like this
- I used to think that AM and FM stood for "American Music" and "Foreign Music."— Sylvia Fowler
- 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
- My mum told us that when the ice cream van played music, it was to tell you that he had run out of ice-creams.— J
- 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 think that a conductor while conducting told the players what to play as opposed to their music.— Daryl