So I have been on a rant to identify new bands and music to listen to within a spesific genre. This led to me search for ways of finding "related bands" of known bands to me.
Although services like youtube an last.fm can do this I wanted an interactive map and found the following:
http://audiomap.tuneglue.net/
http://www.music-map.com/
http://liveplasma.com/