Answer:
Picture dancing
Explanation:
In 1914 when Thaddeus Drayton and Rufus Greenlee came back to New York, they created an act that saw them wear matched formal dress and then with a stylish but sophisticted style of dancing that combined cakewalking with astonishing steps, ballroom dance, and strutting. Their steps were identical and done in synchrony. This act was termed Picture Dancing, similar to the dance described in the question.
