Caner Akin, tenor - Turkey
Dinara Alieva, soprano - Russia
Clémence Barrabé, soprano - France
Andrei Bondarenko, baritone - Ukraine
Jennifer Borghi, mezzo-soprano - Italy/USA
Sarah-Jane Brandon, soprano - South Africa
Stefan Cifolelli, tenor - Belgium
Stanislas De Barbeyrac, tenor - France
Thomas Dolié, baritone - France
Amaya Dominguez, mezzo-soprano - France/Spain
Rosa Feola, soprano - Italy
Costantino Finucci, baritone - Italy
Luciano Ganci, tenor - Italy
María del Rocío Giordano, soprano - Argentina
Margarita Gritskova, mezzo-soprano - Russia
Jong Hoon Heo, baritone - South Korea
Victor Hernández, tenor - Mexico
Eva Hornyáková, soprano - Slovakia
Emilia Ivanova, soprano - Bulgaria
Brian Jagde, tenor - USA
Valdis Jansons, baritone - Latvia
Anna Kasyan, soprano - Georgia
Nadine Koutcher, soprano - Belarus
Giordano Luca, tenor - Italy
Chae Jun Lim, bass - South Korea
Anthony Michael McGee, baritone - USA
Ryan McKinny, bass-baritone - USA
Ievgen Orlov, bass - Ukraine
Nathaniel Peake, tenor - USA
Stefan Pop, tenor - Romania
Gerardo Reynoso, tenor - Mexico
Edgardo Rocha, tenor - Uruguay
María Virginia Savastano, soprano - Agentina
Raffaele Sepe, tenor - Italy
Cozmin Vasile Sime, baritone - Romania
Christel Elisabeth Smith, soprano - Norway
Alexander Tall, baritone - USA
Sergio Vitale, baritone - Italy
Sonya Yoncheva, soprano - Bulgaria
Zheng Zhong Zhou, baritone - China