You might have seen this before, but I still find this quite fascinating and it’s probably worth checking back as there are going to be more genres added in time. Also worth checking out: Every Place At Once
“This is an ongoing attempt at an algorithmically-generated, readability-adjusted scatter-plot of the musical genre-space, based on data tracked and analyzed for 1375 genres by The Echo Nest. The calibration is fuzzy, but in general down is more organic, up is more mechanical and electric; left is denser and more atmospheric, right is spikier and bouncier”.
via Interweb 3000