Jan Ammann

Musical artist

Cynthia Gibb

American actress

Alexander Gradsky

Russian singer

Helga Meyer

Sandra Bullock's mother

Sylvia La Torre

Singer

Frankie Armstrong

English singer

Elisabeth Schwarzkopf

Soprano

Arjun Raina

Actor

Ildikó Raimondi

Austrian operatic soprano

Annabelle Louie

Actress

Thomas Quasthoff

German bass-baritone

Paul Eiding

American actor

Eileen Farrell

American soprano

Julie Budd

American singer

Ilona Tokody

Musical artist

Julia Hamari

Hungarian mezzo-soprano

Friedrich Wieck

German voice teacher

Olga Rajecka

Latvian musical artist

Erzsébet Komlóssy

Opera singer

Yvonne af Ugglas

Vocalist

India Carney

Voice teacher

Luca Jurman

Musician

Markéta Procházková

Vocalist

Margit László

Opera singer

Katie Sparer

Actress

Elżbieta Zapendowska

Júlia Pászthy

Opera singer

Antonio Cotogni

Italian baritone

Hedwig Fassbender

German voice teacher

Kimberly Barber

Canadian mezzo-soprano

Mignon Dunn

American mezzo-soprano

Gabriele Schreckenbach

German singer

Cecilia Fusco

Italian operatic soprano

Istvan Ella

Organist

Lilli Lehmann

German operatic soprano

jozefa ellinger oszkar maleczky

Opera singer

Turid Karlsen

Norwegian operatic soprano

Herbert Greene

Musician

Attila Kiss B.

Opera singer

Veronika Kincses

Soprano

Dodie Stevens

American singer

Pauliina Kokkonen

Singer

Kurt Widmer

Swiss voice teacher

Eteri Lamoris

Operatic soprano

Harald Stamm

German opera singer

Julius Stockhausen

German singer

Olaus Andreas Grøndahl

Norwegian conductor

Éva Gauthier

Canadian mezzo-soprano