Christoph Willibald Gluck · 1714–1787 · German
| Composed | 1762 |
| Instrumentation | 2 2+2ca 2chal 2 — 2 2+2cnto 3 0 — tmp — hp — str — cont(hpd) |
| Duration | 120 minutes |
| Soloists | Orfeo (countertenor/contralto/mezzo, or haute-contre in the Paris version), Euridice (sop), Amore (light sop) + a Blessed Spirit in the Paris version — only three or four roles |
| Chorus | Yes |
| Tier | Core canon — standard repertoire |
| Editions & hire | Public domain — scores at IMSLP ↗ |
| Source | Instrumentation source (verified) ↗ |
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.