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

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

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.

Instant karma strikes when this guy teases a Pug.

High school football kicker drills referee in the head and still gets the ball through the uprights.