Streaming is now mainstream and we predict 113% growth in expenditure on subscriptions for 2015-18 in the top four markets (US, UK, Germany and France)

Free vs paid-for streaming is the central question for the music ecosystem: free yields fractions of pennies, making subscription the only credible business model

Market leader Spotify is facing competition from tech giants Amazon, Apple and Google, with deep pockets, for whom content is a pawn in a larger game

Happy Birthday iTunes! It is just over a year since Apple launched iTunes and the media continues to talk up the second coming of the music industry, whose saviour appears in the form of affable Steve Jobs. iTunes sold a total of 70 million tracks online in its first year, well below its target of 100 million, but a respectable showing, especially since it spawned a small flock of competitors determined to out-sell iTunes.