Search Google for an artist name plus the word songs. For example, search for [neil young songs] and you should see a new knowledge graph carousel with the songs from the artist at the top.
Here is a picture, click on it to enlarge:
You can see you can scroll back and forward through the carousel to see more songs from that artist. You can then click on a song to learn more about it:
It seems like almost all the songs bring up a YouTube video at the top. Plus, you can ask Google to "keep you updated" on that artist, where Google will push you Google Now cards when new updates are available.
This is clearly Google getting smarter, as they announced last week.
Forum discussion at WebmasterWorld.