Brian Ritchie: Kraftwerk continue to surpass all competition. It's difficult to imagine anything embodying Vivid's theme of 'light, music and ideas' with more finesse
It's curiously paradoxical music, simultaneously brutal and beatific, and the live addition of a saxophonist, trombonist and drummer adds a degree of vulnerability and humanity to the digital dreamworld, writes Ian Gittins
More a concept than a band, Public Service Broadcasting repurpose old propaganda films to artful, stirring effect – but what does it all mean, asks Alexis Petridis