I believed for 2 years that the chorus of the song "Lola's Theme" by the Shapeshifters was "I love Vanessa, turn my world around!" Actually the real words are "I'm a different person, yeah, turned my world around". Sometimes the lyrics of dance tracks can be hard to understand. Too much bass beat!
A childhood belief about misheard lyrics

others believed things like this
- I used to believe that I was the only real person in the world and that everyone else were fake things!— supermk342
- Until a few years ago, I believed this was a "doggy dog" world, rather than a "dog-eat-dog" world.— jemima
- Until I was about 15, I beleived my Father was the person who sang the "Cheers" TV Show Theme Song.— Dustin
- When I was 6 I believed that on nice summer days you can see the world spin if you just look hard enough :)Anon
- I believed I could tap dance by moving my feet real fast. — Aussie
- When I was 6 or 7 years old, I absolutely believed that if a thermometer broke--the world would end. — Suzi