About
SigSig is a MAKINA styled song composed and arranged by japanese DJ kors k (real name Kosuke Saito). This song became one of the popular BGMs for YouTube Poop Music Videos on YouTube and for MAD videos on Nico Nico Douga.
Origin
The song was included in Konami’s BEMANI rhythm game series “Beatmania IIDX 12 HAPPYSKY”, which was released in July 13, 2005.
Spread
Google has 336’000 results, YouTube has 1.860 results and under the tag “sigsig” on Nico Nico Douga, there are 403 videos.
MADs
[OP isn’t very good at such things. Request Editorship]
First MAD videos using the music video began with 再現MAD (Re-Production MAD), which consists re-animating or re-drawing an Anime Opening or an animation. Later, it began to trigger in 音MAD (Sound MAD) and then in YTPMVs.
Mowtendoo’s Emoticon Fad
The song is also used in a popular fad started by Mowtendoo on YouTube, a MAD creator and the creator of a YTMND fad Ualuealuealeuale, consisting taking a source with a facial expression, slow down it’s speed and appearing an Emoticon in the middle of the video, that corresponds the facial expression worn by the subject.