The advertising agencies obviously believe that the thought of dancing to Northern Soul Music will resonate with those of a particular generation. It began with the advertisement for Shredded Wheat, their advertisement featured a man who enjoyed Northern Soul music in the 1970s, but then family responsibilities and financial constraints ended his disco-going days. Forty years later, he was making up on lost time, dressing as if it were 1975 and meeting friends at a dance hall where they again dance to the music of his youth. Now Barclaycard have …