Harry Nilsson wrote "The Puppy Song" for Mary Hopkin who recorded it for her first album.

 

Mary Hopkin (born 3 May 1950), credited on some recordings as Mary Visconti from her marriage to Tony Visconti, is a Welsh singer best known for her 1968 UK number 1 single "Those Were the Days". She was one of the first artists to be signed to the Beatles' Apple label.