Tidal has found the right way to share music with friends.
Instead of sharing a Tidal-specific song link with friends, now you can let them choose the service they want to open it with — whether it’s Spotify, Apple Music, or Amazon Music. Tidal is rolling out universal links today, and you can see how it looks in the screenshot below.
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My music folder is like ~10GB, so I just have it being synced automatically by Syncthing on all devices.
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It shares the file itself directly.
Look into https://www.funkwhale.audio