@anonicus Then there's [aNONradio](http://anonradio.net:8000/anonradio), which has presence on Fedi; [Astronomy.FM](http://radio.astronomy.fm:8111/live); [KCRW](http://media.kcrw.com/pls/kcrwsimulcast.pls); [KEXP](https://kexp-mp3-128.streamguys1.com/kexp128.mp3?listenerid=fe4cce49e21246e409727f379280eb91&awparams=companionAds%3Afalse); [Radio 3 RNE](https://rtvelivestream.akamaized.net/segments/rne/rne_r3_main.m3u8); [tilderadio](https://azuracast.tilderadio.org/radio/8000/radio.ogg); [Yggdrasil Radio](https://yggdrasilradio.net/yggdrasilradio_mp3_128kbps.pls); or [信州大学志賀自然教育園](https://mp3s.nc.u-tokyo.ac.jp/OTANOMO_CyberForest.mp3) (I don't even know how this one is pronounced, but I think it's from Tokyo University.)
I have more if you need them. You can listen to them with MPlayer.
By the way, I don't know if the links will turn up right. I've never tried using them before.