‘It’s all about the bass line,’ said producer Trevor Horn. The relentless, funky motif provides the song’s spine, symbolising, said Holly Johnson, the USA, overlaid with various Russian flourishes. But the real genius was in capturing the Zeitgeist of techno-fear and the madness of nuclear war by mirroring it. It was sleek, futuristic and awe-inspiring. The first record to be recorded entirely digitally, it took three months to make and cost £200,000.