Why Soulwax are writing music for imaginary bands

David and Stephen Dewaele’s new album, the soundtrack to Sundance hit film Belgica, features 16 songs but none of the artists featured actually exist. They’re just the latest in a long tradition of fictional musicians on screenThe soundtrack to Felix van Groeningen’s film Belgica, a Sundance hit, is a hugely entertaining compilation of songs by unfamiliar artists, ranging from synth-pop to psychobilly, hardcore punk to Turkish acid house. What makes it particularly impressive i