African American artists utilize other dance styles with their own unique creative concepts to form new and more appealing maneuvers that are a norm in today's dancing community. Known dance genres that is influenced by African American artists includes tap dancing, cakewalk, swing, Hustle, funk and disco, and of course, the famous moonwalk performed by Michael Jackson that is considered to be an innovation of modern Hip Hop dances today. After which, the leader then steps his left foot to the left, and the follower does the same with her right foot. Then they close out the steps by simply closing their feet together, wherein the leader simply brings his right foot together with his left, and the follower does the same, bringing her left foot together with her right. Passion makes up 90% of their creativity and only 10% comes from their knowledge on fixed dance routines. Another requirement of a dance choreographer is the need to go beyond the boundaries of dancing and into the realm of art. This is one reason why they are all unique -- coming up with their own dance routines with only a moment of thought. Judging is often done through appeal and how dancers impress judges. Scoring in these competitions is considered to be dubious as well -- opening to the possibility of disguising fraudulent judgment with anonymous decisions with no definite criteria and scores. Despite the subjective ruling of dancesport competitions, the ballroom dancing arena is still a much celebrated event in various countries around the globe. This dance routine is said to originate from the black community in Harlem, New Work back in the 1920s. In-depth study of this style has broken down its routines into a combination of Charleston, breakaway, hop, and Texas Tommy. Around the 1930's, Lindy Hop is at the peak of its popularity. This dance routine is quite popular in the many bars and dancing studios in various cities in the United States. This is where Hip Hop dancers are able to put their personal touch and flavor into their dance routines. Hip Hop dancers often times engage in what we call as battles wherein they perform dance moves and routines against another dancer, trying to outdo each other in their dance techniques. Once a battle begins, a cipher, which is a circular space that surrounds the dancers battling, is formed.