Song samples Plastic Littles 2001 song Miller Time. A person by the name of Baauer added various different sounds that were original to the Harlem Shake song that made it popular to people all over the world.
The Dance can be seen in various places on YouTube. The way you get there is to go to the video link in this post to see the different videos there. You can type in do the Harlem Shake to get the or see the videos.
The reason the song is was given this name is that the dance was formulated by Al B. during the year of 1981. He was known for performing during breaks at the Entertainer's Basketball Classic Basketball Tournament at the famous Rucker Park. The dance was first called The Albee after the person who created it and later was known as the Harlem Shake. The dance later became popular outside of the area.
The form of movement is a very popular dance.
Video Of Harlem Shake