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Posts: 5775
I'm in over my head on this one. First the wiki for the original:
https://en.wikipedia.org/wiki/If_You%27re_Happy_and_You_Know_It
The (assuming) Japanese adaption by Kyu Sakamoto was found on:
https://itunes.apple.com/au/album/the-best-of-kyu-sakamoto/1380877072
,,,, but the best candidate found for an original release is:
https://www.discogs.com/坂本-九-九ちゃんと歌おう/release/6713865
The additional missing/likely covers on that compilation are still under review as of this post....