Columbia subject headings:
Composition (Music)--History--20th century.
Music theory.
Music--20th century--History and criticism.
Music--Philosophy and aesthetics--History--20th century.
Schiaffini, Giancarlo.
Harvard subject headings:
Composition (Music)--History--20th century.
Music theory.
Music--20th century--History and criticism
Music--Philosophy and aesthetics--History--20th century.
Schiaffini, Giancarlo.
Princeton subject headings:
Composition (Music)--History--20th century.
Music theory.
Music--20th century--History and criticism.
Music--Philosophy and aesthetics--History--20th century.
Schiaffini, Giancarlo.