"Circus (Chungironically Good Mix) - Five Nights at Freddy's" is a high quality rip of the Chungironically Good mix of "Circus" from Five Nights at Freddy's.
Jokes[]
At the beginning, the Vine Boom sound effect and the click from the advertised track are pitched shifted to "Stor Eiglass" by Squarepusher. At 0:10, the intro to "Gangnam Style" is arranged to "BIG CHUNGUS | Official Main Theme" by Endigo, with instances of the lyric "Gangnam" replaced with "Chungus". At 0:25, the lyrics to "Gangnam Style" are pitch-shifted to the melody of "BIG CHUNGUS | Official Main Theme". At 0:39, "Gangnam Style" is mashed up with "BIG CHUNGUS | Official Main Theme".
The mix name references "Circus (Unironically Good Mix) - Five Nights at Freddy's", which also uses "Gangnam Style".