YMMV: Nico Nico Douga
- Crowning Music of Awesome: Fitting in with the Ear Worm and Medley. This one is particularly epic.
- Ear Worm: Oh so many. Particularly the medleys. In their entirety. This can be problematic when they're, at minimum, ten minutes long.
- Medleys: They're pretty popular.
- Here's a channel dedicated to reuploading medleys. There's over 300 videos there as of September 2014.
- The Wiki Rule: Right here.
- Memetic Mutations: Ever wonder where most anime-based memes start before they hit Youtube? Now you know.
- Here's a rule of thumb: 35% of videos uploaded have some relation to Touhou since the characters are memetically famous, 25% are related to Vocaloid, 25% have some relation to any current anime (this can include official uploads), and the rest is just everything else, ranging from covers to manga uploads to music uploads that may end up getting banned and forced to listen to the replacement song. There is, of course, overlap between these categories.