There's an Irish music group called Celtic Women. On their Christmas CD, there is a song called "Play The Old Christmas Pipes." My dad burst out laughing one day when he heard both my mom and me sing, "Gravy on the Christmas pies...."
A childhood belief about misheard lyrics

others believed things like this
- I was told that for every christmas carol i sang before christmas time santa would give me one less present!— K
- I use to think the known Christmas song "in excelsis deo" was en chelsea's dayo— Mike Simmons
- When I was little, I used to think whenever it snowed, it would be Christmas.— TropicalSmoothie
- I used to believe that every religous Christmas card we recieved was sent to us by God.Anon
- "Christmas time
mistletoe and brine..."— Santa Puncher - Do you really mean to tell me that father Christmas is a myth?
Finally......— Peter (Aged 70)