| Role | Voice Part | Classification |
|---|---|---|
| Aire | Soprano | L |
| Tierra | Soprano | L |
| Agua | Soprano | L |
| Fuego | Soprano | L |
| Tiempo | Soprano | F |
| Aurora | Soprano | S |
| Tiple #1 | Soprano | B* |
| Tiple #2 | Soprano | B* |
| Tiple #3 | Mezzo Soprano (or Countertenor) | B* |
| Tenor | Tenor (or Baritone) | B* |
| Minimum Chorus: 12* | ||
| Divisi: SAT | ||
| Chorus Notes: * Depending on the version and instrumentation, the Ensemble voices could be Soloists or a Chorus. If Principals perform the four parts, then each Principal is a Solo Bit and there is no Chorus. If a chorus is used, the minimum number is 12, and there are no Bit Principals. |
Schedule C