It is strange to think of a song like Tracy Chapman’s 1988 Behind the Wall in the context of the ubiquitous, free market-driven and fast-buck-making capitalism of that time. Not only that but also the fact that the track became one of her most listened-to on her eponymous debut album. At the time the charts were dominated — as they usually are — by inane pop of the Tiffany, Kylie Minogue and…