Schedule C
https://www.musicalartists.org/contracts-and-agreements/schedule-c/calisto-la/

Calisto, La

Composer:
Pier Francesco Cavalli
Original Language:
Italian
Librettist:
Giovanni Faustini
Description:
Opera in a Prologue and Three Acts
Time:
Mythological Times
Place:
Cave of Eternity, a Forest, Mount Lyceum, the Heavens
Role Voice Part Classification
Calisto Soprano L
Endimione Mezzo Soprano or Countertenor L
Diana Mezzo Soprano L
Giunone Mezzo Soprano L
Giove Bass-Baritone L
Satirino Soprano or Countertenor F
Mercurio Tenor or High Baritone F
Linfea Tenor or Contralto F
Pane Tenor F
Sylvano Bass-Baritone F
Giove in Diana Mezzo Soprano S
Eternita Soprano S
Natura Tenor or Mezzo Soprano S
Destino Soprano S
Fury 1 Soprano S
Fury 2 Mezzo Soprano or Countertenor S
 
Minimum Chorus:  16
Divisi:  SATB
Chorus Notes:  

If the Echo part is sung, it would be a Chorus Bit Soprano