I think you mean Frere jacques Sam.

Hearing words incorrectly reminds me
of a journey taking Charlotte to school when she was 5 years old. Charlotte was always at
her most talkative first thing in the morning and when I was trying to concentrate on my
driving and what sort of day I was going to have at work.
On on particular morning Charlotte asked me what a puffit was, not sure what she meant I asked
her to repeat it and then repeat it again. Still not understanding what she meant and getting
a little agitated to say the least I said I don't know what you mean Charlotte there is no
such thing as a Puffit, to which she replied that at school the children sing a song called
I'm going to paint a Puffit (perfect) picture.