Here's a post from the BBC about this:
Summer of Sonic Love: Introducing Radio 3 Concert Sound

Click the 'Find out more...' link at the bottom of that piece to listen. You need an up-do-date version of Firefox on a desktop mahine. (But not ESR I find.)

I updated VLC (v2.2.4) and ffmpeg (v3.3.6): neither works. So you still need that patch it seems.

OT: I particularly enjoyed last week's Words_and_Music