Guy sings Katy Perry's 'Dark Horse' in 20 different styles
I don't know, but this Indian hairdresser clearly needs no one!
This is BBC's cover of The Beach Boys' 'God Only Knows', starring 29 of the biggest names in the music industry.
There's also this video with Karl Pilkington trying polyphonic overtone singing.
Street dancers and swing dancers swap music and have a dance-off.
Inappropriate song? I think so..
This video was this guy's entry to a card shuffling competition.
And he's only 16!
Anthony Vincent makes custom songs in any style and is the voice of Ten Second Songs.
Mac Lethal has impressive rap skills and tries his hand at rapping Mozart for fun.