"Why do I want a pile of .ogg (or .mp3) files? " - In times with no internet, or traveling to places with bad connection. (offline features are very limited)

"Why do I want a pile of .ogg (or .mp3) files? " - In times with no internet, or traveling to places with bad connection. (offline features are very limited) - have your music forever and not just as long the company offers it (see Neil Young) - play your music with a better player (I think spotify works awful). Fine control fade in, fade out etc. - privacy, I do not like the world to know at what times I listen to what music and how long