It would be possible to plug an LLM [1] into the stream history and be able to directly type the ideas you cited and get instant results.
> If you had this data at scale
That was the "raison d'etre" of last.fm. Alas, it is not popular anymore (=smaller scale)
> favourite songs from people who enjoy similar niches to you
In last.fm, you can go to an artist's listener page [2], pick a user who "listens to Televators a lot", export their most-listened/loved tracks to Spotify, filter them by genre, and try them out :). You could also go to a track page [3], pick a user who commented on it, and do the same.