Answer: b. Shorty George
Explanation:
"Shorty" George Snowden was one of the best known dancers of the Lindy Hop era, a dance he invented with his partner, Mattie Purnell. Lindy Hop involves a mix of dance moves including the traditional European partner dances and African-American dances.
George Snowden and Mattie Purnell came up with it as they danced a partner dance and got separated and in the course of coming back together, executed some new moves that became the Lindy Hop and sparked a dance revolution.
The answer is b) musicians because they are the one that preform in public!
