https://funkwhale.it/channels/ilpunto/ https://funkwhale.it/api/v1/channels/ilpunto/rss
https://funkwhale.thurk.org/channels/radio_colibri@open.audio/ https://open.audio/api/v1/channels/radio_colibri/rss
https://open.audio/channels/radio_colibri https://open.audio/api/v1/channels/radio_colibri/rss