[Unit]
Description=SSH tunnel to MPD server & music stream

[Service]
Type=simple
Restart=always
RestartSec=60
RestartForceExitStatus=255
Environment=MPD_HOST=localhost MPD_PORT=6600 MPD_STREAM_PORT=8000
ExecStart=ssh -nTN \
 -o ServerAliveInterval=300 \
 -o ExitOnForwardFailure=yes \
 -L ${MPD_HOST}:${MPD_PORT}:localhost:${MPD_PORT} \
 -L ${MPD_HOST}:${MPD_STREAM_PORT}:localhost:${MPD_STREAM_PORT} NAS

[Install]
WantedBy=default.target