I have a friend who used to sing ' Down down deedums town ' instead of down down deeper and down.
I also had a girlfriend who's mother thought The group Level 42, was Nevelle Fortesque.
A childhood belief about misheard lyrics

others believed things like this
- When I was a little kid i thought cattle meant a group of cats— It's a group of cows and bulls!
- Did anyone else sing "Hark, the hairy angels sing"?— Jill
- My mum said that when I used to sing "noahs arc" at school I would sing "who built the arc, no one, no one"— Clare
- My girlfriend belived that sitcoms were called that because you sat down to watch them.— Zeppy
- I used to believe that the lower level of the George Washington Bridge in NYC was named Martha Washington— Shayne
- I thought there was only one copy of a movie and you had to wait til it got to your town,— quagmire