What is an overture?

(1 point)
Responses

the opera’s characters interacting on set
the opera’s characters interacting on set

the first theme in the opera developed over the course of a movement
the first theme in the opera developed over the course of a movement

the second theme in the opera developed over the course of a movement
the second theme in the opera developed over the course of a movement

an instrumental piece at the beginning of the opera that introduces the important melodies

an instrumental piece at the beginning of the opera that introduces the important melodies