Music app will not play DASH streaming URL
The BBC has switched off its SHOUTcast streams and now uses HLS & DASH (except for a few stations like BBC World Service. Refer: https://www.bbc.co.uk/sounds/help/questions/recent-changes-to-bbc-sounds/shoutcast-closure#:~:text=If%20you%20are%20hearing%20a,use%20it%20for%20BBC%20streams.
The Music app (at least on M2 MacBook Air Ventura 13.4.1) will not play the new streams via File | Open Stream URL - e.g.
But VLC media player does, and so does the myTuner Radio app (iOS and macOS).
MacBook Air