Alberto Ginastera · 1916–1983 · Argentine
| Composed | 1974 |
| Instrumentation | 3 3 3 3 — 4 4 4 1 — tmp+4 — hp, kbd — str |
| Duration | 60 minutes |
| Soloists | 3 Gregorian singers (T, Bar, B-Bar) |
| Chorus | Yes |
| Tier | Discovery — worth programming, rarely heard |
| Editions & hire | Boosey & Hawkes ↗ |
| Source | Boosey & Hawkes work page ↗ |
Read in standard international shorthand: flutes · oboes · clarinets · bassoons — horns · trumpets · trombones · tuba — timpani · percussion — harp · keyboard. Section counts include doubling players. Always confirm against the publisher's official parts list before contracting musicians or renting materials.