No idea why you got downmodded there. Rockbox enables you to organize your music this way on lots of different devices now. You aren't required to rebuild the

No idea why you got downmodded there. Rockbox enables you to organize your music this way on lots of different devices now. You aren't required to rebuild the database, though if that's what you prefer you can push a couple of buttons and do that too. Directories are, in a sense, high-maintenance indexes, but some of us find the existing tag system utterly inadequate and need to fall back to this solution.