An increasingly popular tactic in the music industry is buying the beats behind viral hits — sometimes without the singer’s knowledge.

Every time we do music, it’s never beats that are already made or something premeditated. It’s just on the spot. 'Zay, make a beat. I’m going to rap to it.' ...

Beats Music shares much in common with other leading subscription music services, all of which feature very similar catalogs of over 20 million songs, ...