The Evolution of Western Dance Music
http://www.thomson.co.uk/blog/wp-content/uploads/infographic/interactive-music-map/index.html
An Interactive Graphic Showing The Evolution of Western Dance Music Over The Last 100 Years in Under 20 seconds
ひと目見ればわかる情報グラフィクス的音楽系統樹． 〈Map of Metal〉のように “音” があればもっとよかったのに．
