Here's a related version "Roberta, Let your hair grow long." The song has melody line here:
http://books.google.com/books?id=2dmclpLO18UC&pg=RA1-PA76&lpg=RA1-PA77&dq=roberta+let+your+hair&ie=ISO-8859-1&output=html
There's no consistancy or repetition,
Richie