Nos Belles Annees is not fixed to a particular song genre but they are rather broadcasting all those popular genres which are loved by their listeners. In order to give their listeners the taste of various genre based music and to make their shows enjoyable Nos Belles Annees plays those songs only which are trending in the music world and also some of the nostalgic tunes.
If the Radio is extremely choppy and stops every 5 seconds, try listen to this Radio at different time.
Not all Radio Stations function for 24 hours everyday. If you can't listen to any Radio, try to listen at different time, as the Radio Station may stop during midnight according to its own country time zone.