Mary Hopkin (United Kingdom)
United Kingdom 1970 (2 place) - Mary Hopkin — Knock Knock Who's There 02:30
2nd Place - Mary Hopkin (United Kingdom) — Knock-Knock - Who's There? 02:31
Mary Hopkin — Knock-knock, who ts there? (United Kingdom) 02:31
Mary Hopkin (United Kingdom) — Knock-Knock - Who's There? 02:31