News Calcuation based on Spotify's own public payout rate News App has slid over 700 places on unofficial iOS rankings since launch Interviews Denis Ladegaillerie says combined company will turn over $250m a year News To be valued at $8.4bn, Spotify may need its UMG deal done News IVP joins Bezos Expeditions and more to back video service News Free and premium tiers available in country News Mobile revenue leaps up 380% in the same period News Peter Tonstad becomes interim CEO and lays off staff