B A D T I M E video - Undertale but every song is megalovania mod for Undertale

The title explains it all. Every sound file is now Megalovania. Instructions: 1. Get a copy of Undertale. 2. Extract the files from the .zip and drag them directly into the undertale folder. Make sure that it asks you to replace the files. 3. Replace the files in the folder, and run your game. It should work now.