I think this is a useful link: http://mugglinworks.com/chordmaps/

Here's a page with a simple map and the big map in C: http://mugglinworks.com/chordmaps/part5.htm

... and the generic big map: http://mugglinworks.com/chordmaps/genmap.htm

This is not the final word in what chords can lead to other chords, but it probably covers 90-95% of the stuff out there.


Now at bandcamp: Crows Say Vee-Eh @ bandcamp or soundcloud: Kevin @ soundcloud