This is great news IMO. Spotify's platform is leagues better than apple music. Also I know they don't have the best track record w/ third party apps but Spotify also offers the most comprehensive API when compared to the other major streaming services. This lets people like me make apps[1] which (I think) attract more subscribers and create a stronger network. That being said I don't know if I would run out and buy the stock... there's still serious competition and the music labels run their business like the mob.
[1]https://www.jqbx.fm