To the pupils he teaches in Harrow schools, he's Mr Baird.

To followers of 1970s power poppers The Jags, he's the drummer. And to folk music fans of a certain vintage, he's the bloke who used to play the William Tell Overture on his head with Scots folk-rockers Contraband. Alex's Interlude, as this popular party piece became known, has been brought back into focus with the recent reissue of the one and only Contraband album. But as Alex Baird will tell you, it came at a cost.

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