Selfhosted

Use jellyfin, on Android and Linux there is an app I use called "findroid"

There's tons of tutorials online but if you need help lmk

For music I have switched over to using my phones built-in music player and syncthing to synchronize the music folder between all the various machines.

There the big plus is that the music works 100% offline.

@zeromoney I have a self hosted streaming service for music with #Jellyfin. But i think there's no an easy way to deploy it. You need to have some basic linux knowledge.

@selfhosted

My setup so far:

• RunTipi as a general server setup on a cheap mini-pc running Linux (any stable distro will do). It has an easy interface to install a music hosting app - in my case it's Navidrome. You can use an older PC for it with no problems, but be aware that it might be inefficient in terms of power consumption. Some newer cheap mini pcs with Intel N100 processor are more efficient and consume little power. You can get them for under 200 USD/EUR even.
• I use MusicBrainz Picard to tag and organize the music files. All music files I previously converted to Opus format, which is very efficient in terms of size.
• To stream music away from home I use Tailscale, which essentially creates a virtual private network between your devices. Then you can access the tailscale IP address of your music server from your phone through a music app that supports Subsonic (another music hosting software, Navidrome is compatible with it) - apps like Substreamer/Subtracks/Symfonium/etc.

A lot of information is scattered about and it is difficult to find a solution that fits your situation. So you'll have to filter a bit. There are loads of youtube tutorials out there and some of them are well supported by documentation, some are not. Be patient. My setup is basically a Jellyfin docker server with local storage so its easy for Jellyfin to see the files. Jellyfin is installed on Linux after installing docker. Jellyfin apps are installed on the devices I want to use to connect to Jellyfin. My router has Wireguard so I can connect to the router as a Wireguard VPN to listen to Jellyfin content. Thats it. My Jellyfin server is a 2 core i3-6006U laptop with a broken screen I had lying around. These days I think you'll probarbly want to run an 8th - 9th gen Intel processor to support the latest features including GSync, but you don't have to, try it on what you have. Once you have some hardware, look up how to install Linux, get a well known one like Ubuntu to begin with. Put some files in a directory , called say music for testing. Look up how to install Docker, then do that. Lookup how to install Jellyfin in docker. I'd use a .yml because you can change parameters easily and try again. Once you have jellyfin running go to the web interface and tell it where the music directory is so it can scann the files. All this occurs on your home network Install a Jellyfin app on your phone, connect to the server, play music locally. If you want to access away from home use some form of Wireguard VPN but you probarbly have enough to be getting on with. for now.

Edit: Forgot to say that if you struggle with docker, there is a direct install you can use. https://jellyfin.org/downloads/server Edit again: Documents here https://jellyfin.org/docs/

You pretty much just need an Intern et connection though it would be best if it was unmetered. It doesn't take much as far as resources go to host music. You could also think about just syncing playlists to your mobile device. Lots of people forget about that.

download your musics, thenafter open the files and listen.