They’re in the database, so Roon should play the stations.
But give me a minute and I’ll post them here…
https://a.files.bbci.co.uk/ms6/live/3441A116-B12E-4D2F-ACA8-C1984642FA4B/audio/simulcast/hls/nonuk/pc_hd_abr_v2/aks/bbc_radio_one.m3u8
Can’t find a bbc 6 music yet.