The Unanswered Question IV : The Delights and Dangers of Ambiguity
- Bliain: 1976
- Tír: United States of America
- Seánra: Documentary, Music
- Stiúideo: Harvard Productions
- Eochairfhocal: classical music, harvard university, lecture, linguistics, music, leonard bernstein
- Stiúrthóir: Humphrey Burton
- Caitheadh: Leonard Bernstein