When was the original song from the promotional single that was spawned from Intimate and Live originally released?
Intimate and Live (album):  Produced by David Wilson and directed by Mark Adamson and Michael Williams, both the album and DVD features twenty-one songs from the concert and spawned a promotional single, "Dancing Queen". Dancing Queen:  "Dancing Queen" was released as a single in Sweden on 15 August 1976, followed by a UK release and the rest of Europe a few days later.
i don't know