Generally speaking, public radio stations have far better programming than private ones (atleast in the US) Part of that is they get access to vast media libraries by being a public station, and they also have access to a number of programs they can pay to air. I listen to a local station which public. They play classical and jazz and you only hear the same song maybe once or twice a week, and its because the DJs like that song (Claire de lune comes on about twice a week.) The downside would be the NPR news segements they have to air at the beginnings of some hours.