Answer:
Multiple musicians use improvisation at the same time.
Step-by-step explanation:
Hot jazz can also be called Dixieland, and it can also be called traditional jazz. It is a subgenre of Jazz, but its differential is the constant improvisation of all musicians and singers, who can even improvise simultaneously, giving a bohemian tone, freedom, fun and diversity to music, different from New Orleans Jazz that it presented a fixed musical structure, where all the musicians followed melodies and compositions strictly established for each one of them.