(more streams, but the key is idk...)
RTVE Somos Cine
https://ztnr.rtve.es/ztnr/6909845.mpd
RTVE Cocina
https://ztnr.rtve.es/ztnr/16656232.mpd
RTVE Cuéntame
https://ztnr.rtve.es/ztnr/6909843.mpd
RTVE Conciertos Radio 3
https://ztnr.rtve.es/ztnr/6924117.mpd
RNE Radio 3...
Here is my contribution
MUCH Canada
https://lott2-web-opus.cdn.avp.telus.net/232006004089/vxfmt=dp/manifest.mpd?device_profile=dashvmx
11111111111111118111000000000000:183607d81708553c166cbdb7affa693a