This is the version that most people just call: "ABBA around the piano".
This video has been shown on many New Years Eve's in Sweden at midnight.
More info can be found on ABBAonTV
www.abbaontv.com/1980/description-happy- new-year-stv.html
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ABBA Agnetha Frida Bjorn Benny Björn Annifrid Anni-Frid Ulvaeus Andersson Lyngstad Faltskog Fältskog Happy New Year