kayıt aşamasında ''percy the rat catcher'' adı verilip albüm çıkmadan önce ismi lucifer sam olarak değiştirilen the piper at the gates of dawn parçası. syd barrett söylentilere göre şarkıyı kız arkadaşı jenny spires'ın kedisine yazmıştır*...

lucifer sam,siam cat
always sitting by your side
always by your side
that cat's something
i can't explain
jennifer gentle, you're witch
you're the left side
he's the right side,oh no
that cat's something i can't explain

lucifer go to sea
be a hip cat
be a ship's cat
somewhere anywhere
that cat's something i can't explain

night prowling sifting sand
padding around,on the ground
he'll be found
when you're around
that cat's something i can't explain