I used to think that swing music was called that because you listened to it when playing on the swing set.
A childhood belief about songs

others believed things like this
- I used to think that if I was swinging on a swing fast enough, I could jump off it and start flying.— Nick
- I used to think that you would get arrested if you didn't swing your arms when you walked in publicAnon
- that if i swang high enough on the swing set at my grandmothers house...i could catch a cloud for her.— nicole
- --I thought if I swung hard enough in my swing i could possibly reach an airplane
— dusty chenille - I used to believe if you listened to to music upside down the music would be backwards— HOopty
- When I was a child I used to believe that stand up pianos actually told jokes as well as playing music.— L MAN