Sorry, not sure I understand the desire. You mean like Sonos Radio HD?

Yes A paid subscription service

You have to understand the business model of Sonos say versus  a Spotify. Below is an AI generated explanation of the Sonos business model. The gist being that Sonos is not in the music streaming arena as a primary source of income. Speaker Hardware is first and “Oh..BTW you can subscribe to a music streaming service on our platform for additional enjoyment and convienence ”. If you want more detail you’ll probably have to contact Sonos directly.