The global digital music market will grow at 15% per year, with revenue reaching $22.5 billion by 2017.

That’s according to global analyst firm Ovum, which attributes the predicted growth to streaming subscription services which are expected to show a strong compound annual growth rate (CAGR) of 46% thanks to service provider partnerships.

However, Ovum expects mobile music in North America and Europe to decline by 5-7%. 

“The decline in the growth rate of mobile music from previous forecasts is ...