VLC media player seems to be the primo alternative of Audio Players.
However, whether VLC will launch or not depends on whether it is the default Player for the MIME type.
From the File Menu, choose Open Network…. Power-users can press
⌘N) on macOS
You’ll get a pop-up dialog. Then right-click on and copy the following Listen link:
Paste it into the input field, and click OK. The stream will play.
Download the proper Installer for your OS.
Make it “easy-peasy” would be about allowing the Installer to take ownership of all the filename extensions / MIME types.