Screaming while using their diaphragm is the answer to this question
I hope this helped :)
The human vocal system would not receive much acclaim if instrument makers placed it in a lineup of traditional orchestral instruments. Arranged by size, for example, the voice box (larynx)—and the airway it sits in—would be grouped with the piccolo, among the smallest of mechanical music makers. And yet experienced singers compete well with all man-made instruments, one on one and even paired with full orchestras. Recent investigations of how our singing voice generates a remarkable range of sounds have revealed surprising complexity in the behavior of the vocal system’s elements and in the ways they interact.
o cite the program of a theater performance, follow the MLA template of core elements. Begin with a description of the program as the title and include any important identifying information in the description, such as the name of the theater where the performance took place and its location. Then provide the name of the program’s publisher and the publication date.
Program for Arthur Miller’s The Crucible at the Walter Kerr Theatre, New York. Playbill, 2016.
Cite a contribution to a program, like an essay, as follows:
Simonson, Robert. “Marquee Player.” Program for Arthur Miller’s The Crucible at the Walter Kerr Theatre, New York, Playbill, 2016, pp. 4–6.
Published 20 April 2017