Soprano Esther Allaeva-Kopel (Israel)
Tenor Marco Ciaponi (Italy)
Bass Jose Coca Loza (Bolivia)
Mezzo-soprano Mariangela De Vita (Italy)
Soprano Sara Fanin (Italy)
Soprano Yue Fei (China)
Mezzo-soprano Cecilia Gaetani (Italy)
Soprano Giuliana Gianfaldoni (Italy)
Baritone Long Guo (China)
Bass Davide Giangregorio (Italy)
Tenor Khanyiso Gwenxane (South Africa)
Soprano Hyunjoo Ji (South Korea)
Soprano Euhnee Kim (South Korea)
Baritone Daeho Kim (South Korea)
Bass Dongho Kim (South Korea)
Tenor Jaemin Kim (South Korea)
Soprano Albina Latipova (Russia)
Baritone Kyungwoo Kim (South Korea)
Baritone Leonardo Lee (South Korea)
Tenor Mingjie Lei (China)
Soprano Barbara Massaro (Italy)
Soprano Christina Nilsson (Sweden)
Soprano Yulan Piao (China)
Mezzo-soprano Ana Victoria Pitts (Brazil)
Soprano Emma Postman (Belgium)
Soprano Forooz Razavi (Iran)
Soprano Anna Maria Sarra (Italy)
Soprano Camille Schnoor (France)
Soprano Eunyoung Shin (South Korea)
Tenor Vasyl Solodkyy (Ukraine)
Soprano Bianca Tognocchi (Italy)
Bass Jongsoo Yang (South Korea)