Graciela Araya, mezzo Fulvio Bettini, baritone María Espada, soprano Paul Armin Edelmann, baritone Pablo García López, tenor Alfredo García, baritone César Augusto Gutiérrez, tenor Roman Ialcic, bass Enrico Iviglia, tenor Donald Kaasch, tenor Juanita Lascarro, soprano Thomas Laske, baritone Berna Perles, soprano Mireia Pintó, mezzo
