Guidance: Contains Flashing Images.  

Biffy Clyro perform Wolves Of Winter at Glastonbury 2017. Watch Biffy Clyro's 2017 Glastonbury set on demand on BBC iPlayer: https://www.bbc.co.uk/programmes/p05574b7

Watch Glastonbury performances from throughout the years on BBC iPlayer: https://www.bbc.co.uk/iplayer/....episodes/b007r6vx/gl

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