Guidance: Contains Flashing Images. Underworld perform Born Slippy at Glastonbury 2016. Watch Underworld's 2016 Glastonbury set on demand on BBC iPlayer: Watch Glastonbury performances from throughout the years on BBC iPlayer: Listen and download your favourite Glastonbury sets on BBC Sounds: Dig deep in to performances, articles, photos and more at: Follow all the action via @bbcglasto
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