ARTISTS
MEZZO-SOPRANO | ALTO
Ida Aldrian
MEZZO-SOPRANO | ALTO
Bernarda Fink
MEZZO-SOPRANO | ALTO
Olena Leser
MEZZO-SOPRANO | ALTO
Yvonne Naef
MEZZO-SOPRANO | ALTO
Patricia Nolz
MEZZO-SOPRANO | ALTO
Olivia Vermeulen
MEZZO-SOPRANO | ALTO