I have a massive amount of music to listen to, both physical Cd’s and digital files. Too much to carry around, even if I wanted to. Would take up too much space on my phone, and that’s after having had to plug it to a PC and sync across. Another option would be to host the files on my PC as a server, and then use a service to access the music from there remotely. Problem, i don’t like leaving the PC on 24/7, and it’s reliant on uploading at the PC end, to download at phone end. Not for me.