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? News Lyrics also added to package News Investors offered tasty discount incentives to pump money into company News All three majors appear to have taken a slice of equity in the business Analysis Making A Murderer - and setting an example to labels and Spotify News Len Blavatnik pumps more money into Spotify rival Analysis Why SoundCloud's running costs leave it exposed - unless it can crack the subscription game