"Unknown - Ghostbusters" is a high quality rip of "Unknown" from Ghostbusters.
Jokes[]
The main melody has been changed to "Kyun! Vampire Girl", with the backing melody changed to various different songs. At 0:00, it changes to The Nutshack theme song. At 0:04, it changes to "Meet the Flintstones". At 0:11, it changes to "Megalovania" from Undertale.
The rip loops at 0:15.