Columbia subject headings:
Harvard subject headings:
Boulez, Pierre, 1925-2016--Criticism and interpretation.
Composers--Austria--Biography
Composers--France--Biography
Music festivals--Switzerland--Lucerne.
Music--20th century--History and criticism
Neuwirth, Olga, 1968---Criticism and interpretation.
Princeton subject headings:
Boulez, Pierre, 1925-2016.
Composers--Biography.
Neuwirth, Olga, 1968-