Analysis News Apple's expansion in less than eight months is undoubtedly impressive News Spotify beat AM to duo of markets - but is lagging behind overall News Playlists on the agenda at AIM's Indie-Con News CEO Robert Ashcroft lets the cat out of the bag in new Forbes interview News Fiendishly complex formula created to uphold credibility of the album News Ratio for single downloads lengthened from 100-1 to 150-1 News Adele, One Direction and Little Mix amongst Q4's biggest global sellers Analysis Spotify goes all out to attract investors in new $500m round - but what about musicians?