“The Origin of jazz dance can be traced to African ritual and celebratory dances from around the seventeenth century. These dances emphasized polyrhythm and improvisation.
Jazz dance is a performance [dance] and style that in the United States arose in the mid 20th century.[1] Jazz dance may allude to vernacular jazz or to Broadway or dramatic jazz.”
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Modern Jazz
“Modern jazz dance is a term used in the academic dance world. It refers to a modern style that combines ballet technique with elements of contemporary and African - derived dances (such as isolations, loose torso etc.).”
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Pop Commercial
“The dance industry responded to hip-hop dance by creating a commercial version of it This urban choreography or studio hip-hop, sometimes called "new style", is the kind of hip-hop dance seen in rap, R&B, and pop music videos and concerts.”