Export a playlist
- Open Music > tap Playlists.
- Under YOUR PLAYLISTS, tap and hold a playlist, then tap Export to Playlists.
Music saves it as an M3U8 file in the Playlists folder of your internal storage, where you can reach it from a computer. Streamed songs are left out.
Checked against the LuneOS code and installed apps. Nobody has tried these steps by hand yet, so tell us if something differs.