Internet radio is still a thing! I have recently re-discovered it and now use it daily as background music. If you buy smart speakers that can stream radio (e.g

Internet radio is still a thing! I have recently re-discovered it and now use it daily as background music. If you buy smart speakers that can stream radio (e.g. Heos/Denon), you can use the free TuneIn internet radio service in their app and search for whatever obscure music you are interested in. I just looked up "vocal trance" and there are at least a dozen matches, including stations that have "Vocal Trance" in their name, e.g. "FM 98.5 of Vocal Trance Live". I am not familiar with the genre though so can't vouch for quality.