The shiz has hit the fan. A great whirling shiz-cloud has descended upon the earth, and maybe as the dust settles it's turned out OK, maybe it hasn't. Maybe the last living creatures on earth are your MC and his dog, or maybe the plague has been cured with skittles. Whatever your apocalypse, here's a playlist for while you write it.
As always, add your own songs in the comments and I'll stick them on the list.