The Unanswered Question IV : The Delights and Dangers of Ambiguity
- سال: 1976
- کشور: United States of America
- ژانر. دسته: Documentary, Music
- استودیو: Harvard Productions
- کلمه کلیدی: classical music, harvard university, lecture, linguistics, music, leonard bernstein
- کارگردان: Humphrey Burton
- قالب: Leonard Bernstein