第二回東方音遊戯イベント
This is completely Nico Nico Douga, so if you wish to view you need an account there.
It has finally arrived! Every year, this event involves videos (most of which are actually music) that has both Touhou and Audio Games (mostly Bemani) as the subjects. You can expect lots of nice mashups!
It lasts from 20 Nov - 24 Nov, so videos are still being uploaded.
If you missed last year's event, there's plenty of nice videos scatterd about on its own fanciful
Nicopedia page.
