The music is from “The Firebird” by Stravinsky, but the scream is from a woman just trying to get some peaceful sleep.
There’s a funny video online of an orchestra playing in northern California a couple weeks ago. The music is slow and soft, but suddenly gets loud and dramatic . . . and wakes up a woman in the audience who was SLEEPING. And she’s so surprised she screams in the middle of the performance.
The music is from “The Firebird” by Stravinsky. You can’t see the woman in the video. But you can see the musicians in the orchestra crack up.