Ibolya Verebics

Hungarian soprano

Jean Périer

French actor

Patricia Kern

Soprano

Amelia Felle

Operatic soprano

Imre Sulyok

Organist

Sweet Plantado

Vocal coach

Leslie Chabay

Hungarian opera singer

Clytie Hine

Australian operatic soprano

Hilde Rössel-Majdan

Austrian voice teacher

Bat-Sheva Zeisler

Israeli vocalist

Francesco Lamperti

Italian voice teacher

Adele Stolte

German singer

Giovanni Battista Lamperti

Italian singing teacher

Bulat Minzhilkiev

Kirghiz-Soviet opera singer

Valéria Berdál

Opera singer

Susana Naidich

Argentine singer

Carmen Luisa Letelier

Chilean contralto

Melissa Cross

Carola Nossek

Voice teacher