Columbia subject headings:
Harvard subject headings:
Berio, Luciano, 1925-2003--Criticism and interpretation.
Evangelisti, Franco--Criticism and interpretation.
Maderna, Bruno--Criticism and interpretation.
Musical theater--Italy--History.
Princeton subject headings:
Berio, Luciano, 1925-2003--Criticism and interpretation.
Evangelisti, Franco--Criticism and interpretation.
Maderna, Bruno--Criticism and interpretation.
Music theater--Italy--20th century--History and criticism.