"Happy New Year" was the first track recorded for the album "Super Trouper" (1980), but single it in English-speaking countries are not published. But he left a version of the song in Spanish, which was called "Felicidad". He got to the fifth line of the Argentine charts. In 1999 "Happy New Year" has finally come out as a single in many European countries and in some of them occupied high positions in the charts.
The most famous cover song of "Happy New Year" was performed by the band A-TEENS.