FM Shimabara offers Japanese music and other music related contents to all of their listeners of Japan and the world. They promotes Classic, pop music of Japan and to do so their programs contains songs from these genres too. So, it can be said easily that FM Shimabara main purpose is to promote and play songs that are Japanese.
FM Shimabara official website address is www.shimabara.fm
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.