I like maps, especially maps that show music spaces - in fact I like them so much I have one framed, hanging in my kitchen. I'd like to create a map for all of music. Like any good map, this map should work at multiple levels; it should help you understand the global structure of the music space, while allowing you to dive in and see fine detailed structure as well. Just as Google maps can show you that Africa is south of Europe and moments later that Stark st.