Its was tone-down little by lyrically and musically so that young people could understand it. Salsa became more pop-inflected.
Answer:
Creators of a New Idea: Movement Education in the 1800s to Early 1900s. The early pioneers of movement education were influenced by the idea of the body being an expression of movement. Three of the most historically influential individuals were Francois Delsarte, Liselott Diem, and Rudolf von Laban.