Coldplay’s LED wristbands: a slush-ballad lighter experience for the e-cig generation

The band’s audience accessories illuminated the crowds at Glastonbury – but how do they work, and what’s next for crowd interaction? When they played Yellow, they went yellow. It doesn’t take a genius to programme Coldplay’s Xyloband wristbands, but the effect – at a Glastonbury that even the normally Pollyanna-ish Michael Eavis dubbed the “muddiest ever” – was to add a touch of closing-night glamour to a sodden Worthy Farm.The Xylobands have