I enjoy soundcloud (and have a plus membership with them) but it for sure is a monster amount of play, skip, go to artist profile, play a few of their top tracks, repeat
I've had some good luck with surfing the IceCast directory in the sidebar of VLC but it often only helps discover music if they have their id3 tags configured correctly or that the dj is disciplined about doing track IDs
The BBC streams are great about both aspects if your interests are covered by one of their shows
For “new to me” at least, I read a lot of rock documentaries, and I’ll go and Spotify all the various other musicians that get mentioned as contemporaries or influences of the bands I read about.
I have some friends in the local scene still who will refer me to local club shows and stuff.
I’ve had a hard time getting really passionate about any new-new acts for the past decade or so though, I blame my age/stage of life more than anything there.
I've had some good luck with surfing the IceCast directory in the sidebar of VLC but it often only helps discover music if they have their id3 tags configured correctly or that the dj is disciplined about doing track IDs
The BBC streams are great about both aspects if your interests are covered by one of their shows