This song was a parody of 'Slaughter your World" by Laughing Dragon Studios...Which was in turn a parody of "Part of your world" by Disney.  Parodyception. You must go deeper.
Sung by DaWillstanator: https://www.youtube.com/user/DaWillstanator
Lyrics by Ashley Strother and Lunacorva.
Original artwork by Lightning Bliss: https://www.deviantart.com/lightning-bliss/art/Brony-D-and-D-Chasing-Imortillo-742076522