Apple Music has a new boss as the service also officially passed 40 million paid subscribers this week. In a memo obtained by Variety, Apple SVP Eddy Cue announced the promotion of Oliver Schusser to the new position of Vice President of Apple Music & International Content, making him the head of Apple Music Worldwide. Schusser, who has been with Apple for about 14 years, has previously led efforts outside of the U.S. related to many of Apple’s…