Professor enters the classroom the same way every day. Hello!

Mexican parade float with mariachi band randomly appears in East Los Angeles.

Rocksy the Raccoon has found a clever way to get more cat food.

Ariana Grande performs amazing singing impressions of Britney, Christina, and Celine.

Steven Tyler of Aerosmith sings with a street musician in Moscow, Russia.

Rapper Lil Dicky creates epic music video for his song '$ave Dat Money' without spending a dime.