It is about the power of dance as a political act: a commentary on our times and an escape from it. Humanz – the latest album by Gorillaz collaborators Damon Albarn and Jamie Hewlett was dreamt up by the idea of the most dystopian fantasy possible: what if Donald Trump became President of the United States? And then he did. There are no explicit references to Trump himself, but the sound track is entirely informed by politics – as Krishnan Guru-Murthy has been finding out.