Song
Knock, Knock Who's There?
by Mary Hopkin
Knock, Knock Who's There? is a 1970 song by Mary Hopkin. A karaoke version is available on YouTube.
Released 1970
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Karaoke versions
There's a karaoke version of this song. Most karaoke services carry it; KaraFun lists it among its catalog.
- Zoom 2:41
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- Find karaoke versions on YouTubeOpens a YouTube search for "Knock, Knock Who's There?" karaoke