Then provide an example on a good unpractical musician
Lyrically you can get all sorts of crazy things. One of my favorite songs, lyrically, is Road to Joy by Bright Eyes, which is fairly atypical when it comes down to things.
Musically, well, Death listens to some fucking crazy, waaaaaaaaaaaaaaaay out there shit, but I'd give an example like The New Pornographers, who tend to have a fairly unique sound, that no one else really does.
example