The cha-cha-cha is a dance of Cuban origin. It is danced to cha-cha-cha music introduced by the Cuban composer and violinist Enrique Jorrin in the early 1950s. This rhythm was developed from the danzón-mambo. From Wikipedia
The 18th season of the popular dance show begins with a dramatic first live episode, marked by eliminations, illnesses, and standout performances.
