About the search engine:
"iheard.com makes it easy for people to find their favorite internet radio stations by providing an easy to use search interface and directory with thousands of stations organized by genre, country and language. We do not host or stream radio stations, we capture and store rich meta data about each station and connect listeners with stations around the world. We work closely with station owners, helping them find new listeners through onsite advertisement, paid placement and promotion. If you are interested in featuring your radio station on iheard.com, you can submit your station or advertise online now."
One can search for radio stations based on language, genre, country or most popular from all over the world. The best part about this services is that radio stations are rated.
Try it out, there are some real gems from all over the world.