As its a thematic online radio and like all the other thematic radios of the world 1A Rock Songs is also based and dedicated to a specific style of music. By focusing on one type of music they can deliver some high quality stuff for their listeners and has been able to increase their collection of this specific era of music.
1A Rock Songs official website address is www.1a-webradio.de
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.