What 'Song' are you relating to? Name a time when it is played/sung. e.g. hi ho silverlining is played at the end of the game.
Karaoke by Drake
Until the End of the World Music is the song played at the end of It Might Get Loud.
UGH!! im trying to find out to!
It's a guitar arrangement played by Hugh Laurie.
If you mean the "Power of the Horde" song at the end, that's played by Level 70 Elite Tauren Chieftan
BACK DOOR" by MacKenzie Olson (Capri)
It is called "Beautiful Sex" by Dani' Wright.
Start of the game song = Simple and Clean End of the Game = Simple and Clean (Slow Version)