The Unanswered Question IV : The Delights and Dangers of Ambiguity
- Aasta: 1976
- Riik: United States of America
- Žanr: Documentary, Music
- Stuudio: Harvard Productions
- Märksõna: classical music, harvard university, lecture, linguistics, music, leonard bernstein
- Direktor: Humphrey Burton
- Osades: Leonard Bernstein