Single by the French band Ottawan that reached number two in the UK in 1980 (5)

I think it could be either:

Which length description are you looking for?:

1,1,1,1,1

disco

(Other definitions for disco that I've seen before include "party for dancers" , "equipment for playing recordings" , "Style of music/dancing" , "Dancing to records" , "Club with dancing to recorded music" .)

I've seen this clue in The Independent.

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