User blog comment:Princess Callie/EPIC PONY RAP BATTLES OF EQUESTRIA!/@comment-24977230-20131225141455/@comment-14994150-20131225160252

There's a second part already, BTW!

http://spinpasta.wikia.com/wiki/User_blog:CalasanX/EPIC_PONY_RAP_BATTLES_OF_EQUESTRIA_2!?&cb=3356