Increible tree with the history of electronic music over the years, with examples of songs for all subgenres. Any textual description of this project cannot make it justice. You must visit this page.
@cfenollosa, here’s two more similar sites, though I feel that Ishkur is the best:
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko