This one is from 1980.
This may be a technicality, but the movie was 'about' Roller Disco, which was a very short lived fad in the late 1970s to very early 1980s.
This dance sequence featured Olivia Newton John (born 1948) dancing with the legendary Gene Kelly (who was born in 1912, you do the math) to some 40-ish Big Band music and NOBODY was on roller skates:
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