I was about 10 when I heard the song "Squeezebox" by The Who. I asked my older brother what the lyrics meant, "Momma's got a squeeze box she wears on her chest and when Daddy come home he never get no rest, 'cause she's playing all night, and the music's all right - Mama's got a squeeze box, Daddy never sleeps at night," etc. He told me it was about an accordion. I believed him until I was in college.
A childhood belief about songs

others believed things like this
- I used to believe that "according" meant playing the accordion, since it sounded like accordion. — According
- i used to believe that when i told a lie my eyes would turn purple,because that's what my daddy told me!!— Jenna
- I used to believe that beer was called daddy juise
— jason - I used to believe that Mother Nature was The wife of God. She was the mommy and he was the daddy. — Dawn
- When I was a boy I flushed my fish down the toilet thinking that it would go to its mommy and daddy.— Jeremy Clark
- When I was a child I used to believe that stand up pianos actually told jokes as well as playing music.— L MAN