Do I use a website to download songs off of YouTube or Spotify?
Where should I store the music? I haven't any clue about self-hosting. I'm running GrapheneOS, is it enough to save the songs in Files and play in an app like Auxio? Maybe sync with SyncThing?
What's the best way to compress mp3 files but still retain the quality (even possible)?
Could really use some help as I'm very inexperienced. :)
What I do personally is get any music I want from soulseek and then sync my music directory across devices with syncthing. Although I'm planning on renting a vps to put my music on at some point as it's taking up quite a lot of my phone storage now.
On desktop I like to use mpd with ncmpcpp. On Android(/GrapheneOS) I'm using Metro as my music player.