Open FM is one of the major broadcaster of online radio in Poland and they have been one of the leader in radio spectrum for a long time now. Its has been possible because of their dedication and constantly brought of various kinds of radio unified in one place each like Open FM Rock Ballady is based on a specific music style.
Open FM Rock Ballady official website address is www.open.fm
Popular Polish Radio:
PolskaStacja Disco Polo
RMF Depeche Mode
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.