Recording by Nancy Kerr and James Fagan: https://youtu.be/QYe3UpGddMM?si=kSVEbOApOfp5KKBm

I see that way upthread there was a post from "Bagpuss". That's the name of a British animated children's television series from 1974, in which one of the characters was voiced by Sandra Kerr, mother of Nancy.