Five years ago, the demise of the music industry seemed almost inevitable. Recession, rampant piracy, falling CD sales and a fear that “kids just don’t buy music any more” had giant record labels, once oozing wealth, counting the pennies. Yet 2016 has seen a reversal of fortune – and the industry’s saviour is not what many predicted. Profits from music streaming, first championed by Spotify and now offered by Apple and Amazon, have given some labels their largest surge in revenue in more than a decade.