Old fad. Two songs. Same artist. And, of course, ponies.

"My Little Pony: Friendship Is Magic" is the property of Hasbro.
"Spongebob Squarepants" is the property of Nickelodeon.
"Beyond Her Tomb Rap" and "Cloppin' to the Ponies" were performed and uploaded by MicTheMicrophoneZero.

*squee*