Vincent Persichetti · 1915–1987 · American
| Composed | 1984 |
| Instrumentation | Confirmed. A sourced chair count is held for this work — the scoring is part of the engine, not the public page. Sign in to see it → |
| Duration | 8 minutes |
| Tier | Discovery — worth programming, rarely heard |
| Editions & hire | Theodore Presser ↗ |
| Source | Theodore Presser 165-00091 — Chorale Prelude: O God Unseen, op. 160 (printed parts list) ↗ |