Now I can listen my music from everywhere. Files are played by #mpd streaming on 10.0.0.1 at [my server at home] <– #wireguard VPN –> [my phone] –> Bluetooth –> Earphones
I think I found a simpler solution than #mpd to stream my music and listen from anywhere. https://github.com/lrkrol/Noctifer-Music (not perfect, but much simpler, no need a VPN)