The Human Jukebox by Collective Cadenza is a masterpiece of impressive musical changes. From Lady Gaga to Bach, the musical masters are able to play just about anything on a cello and violin at the drop of a hat.

After setting up a booth on the road, the duo put jars out with directions for their music on them. Passers by would drop coins into the jars to make jukebox requests for 'Slow Down,' 'Fast Forward,' Bach, Lady Gaga, Michael Jackson and ?.

The two never even bothered to pause when money was dropped in and were able to quickly switch between artists, songs and tempos. The Human Jukebox by Collective Cadenza were able to raise nearly $80 and donated all the proceeds to Wingspan Arts in New York City.