Rued Langgaard · 1893–1952 · Danish
| Composed | 1918 |
| Instrumentation | Not yet confirmed. We publish TBD rather than a guess — a wrong instrumentation is a hiring error that costs real money. |
| Duration | 35 minutes |
| Soloists | Soprano (or mezzo-soprano) |
| Chorus | Yes |
| Tier | Discovery — worth programming, rarely heard |
| Editions & hire | Public domain — scores at IMSLP ↗ |
| Source | IMSLP — Sfærernes musik, BVN 128 (Langgaard, Rued) [IMSLP] ↗ |