Sandra Kerr

Sandra Kerr (born 14 February 1942, Plaistow, Newham, Essex) is an English folk singer. Kerr sings and plays English concertina, guitar, Appalachian dulcimer and autoharp. She was a member of The Critics Group from 1963 to 1972. With John Faulkner, she wrote the music for the television series Bagpuss and voiced the character of Madeleine (the rag doll).