Here ya go, Tink, my Kelpie is a HUGE purrer and she knows the "Hobo's Lullabye"...the words are just for you...

Go to sleep oh weary Tinker
Let the night drift slowly by (purr, purr)
Can't you hear the pusseens purring?
That's a Tinker's lullabye...(purr...purrr..rummmmble, rummmble...)