It's because they don't know the words.
No one knows. It's never happened.
Didn't you know you were taking the picture
Lumbar mill.
Take my word for it.
ANSWER: Milk and honey.
They have their own bees knees.
Now I wonder the same thing.
A person who stays up all night wondering if there is a dog!
Because they can't remember the lyrics
They don't know the words.