This is my most popular thing ever. It has over 145k views on YouTube, so I'm not surprised if you've already heard this. I am pretty sure this is the most highly viewed cover of the Smiling Friends outro track even. This song was composed by OneyNG, Chris O'Neill and was used for Smiling Friends.
You may only use this piece for commercial purposes if your work is a web-based game or animation, otherwise you must make specific arrangements with the artist.
* Cover / remake of a third-party piece.
Excercise caution when using it, refer to author comments / contact the author for details.