When I was a child, I used to believe I was really really good at singing. One day, a friend of mine said "You're tone-deaf!". Hard times!
A childhood belief about songs

others believed things like this
- I'm deaf in one ear. Until I was 7 I believed that if I didn't sleep on my good ear, dinosaurs would eat me.Anon
- My friend's sister believed the lyrics to Gazza's "Fog on the Tyne" were "Fog on the dinasaurs mine all mine"— Suzanne
- As a child I always wondered why I could see everyone else's face and not mine.— Amit
- As a child I used to think that everybody speaks the same language, mine.— Eva
- When I was a child I used to believe that my cat would die because he fell seven times.Anon
- A friend of mine seemed to think that 100 pence was worth £6.— Richard Davies