When I was about 7 or 8, my mum told me that at dawn in the mornings, if I listened very carefully by the window, I'd be able to hear a magical piper playing flutes...
I swore that I could hear them playing! I think I started believing this after reading Wind In the Willows for some reason!
A childhood belief about imaginary friends

others believed things like this
- I used to believe that my doll Kimberly was real and if I listened carefully, that I'd hear her speak!— Kristy
- I used to think that swing music was called that because you listened to it when playing on the swing set.Anon
- I thought farting was magical wind, and if you did it loud and hard, you would be able to move yourself.— Blake
- I was told as a kid that when it thundered, God was playing basket ball. LOL! — Tony
- 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 that kittens came from pussy willows.— hope