Rockers Biffy Clyro have already written a Tartan Army football song for the World Cup and contacted the Scottish FA. The chart-topping trio also paid tribute to their pal Mani from The Stones Roses who passed away, recalling messy times at Leeds and Reading festivals together. Biffy also tease a collab with Villanelle - fronted by Liam Gallagher's son Gene.

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