Why is the music industry battling YouTube and what happens next?

Labels are facing off with Google's video service over revenues and rights, yet it's also their biggest partner for streaming music

YouTube and the music industry? It's complicated. YouTube is the biggest music-streaming service in the world by some distance, but it's also the biggest villain in the eyes of many within the music industry.

This week, British industry body the BPI has attacked YouTube again over the "value gap" (sometimes "value grab" in the US) between the number of songs being streamed on its service, and the money that those streams are being generated for rightsholders and musicians.