Agnes Baltsa

Greek Mezzo-Soprano Opera Singer

Tan Dun

Chinese Contemporary Classical Composer and Con...

Michelle DeYoung

Grammy Award-Winning Mezzo-Soprano

Leo Nucci

Italian baritone opera singer

Stéphane Degout

French baritone opera singer

Cyrille Dubois

French Tenor Vocalist

Jan-Hendrik Rootering

German Bass-Baritone Opera Singer

NDR Elbphilharmonie Orchester

German Symphony Orchestra

Christoph von Dohnányi

Renowned German Conductor

Anton Dermota

Slovenian-Austrian Operatic Tenor

Samuel Ramey

Celebrated American Bass-Baritone Opera Singer

Marjana Lipovšek

Slovenian Operatic Mezzo-Soprano

Franz Crass

Festspielorchester Göttingen

German Baroque Ensemble

Thomas Hengelbrock

German Conductor and Violinist

Konzertvereinigung Wiener Staatsopernchor

Viennese State Opera Chorus Ensemble

Thomas Larcher

Austrian Contemporary Classical Composer and Pi...

Marga Höffgen

German Contralto Singer

Ramón Vargas

Mexican Operatic Tenor

Ildebrando D'Arcangelo

Italian opera singer and bass-baritone

Vittorio Grigolo

Italian Operatic Tenor

Gianandrea Gavazzeni

Italian Conductor and Composer

Pavol Breslik

Slovak Tenor Opera Singer

Yvonne Minton

Australian Operatic Mezzo-Soprano

Bruce Ford

Mauro Peter

Swiss Tenor Vocalist

Heinz Zednik

Austrian Operatic Tenor

Teresa Stratas

Canadian Soprano Opera Singer

Sophie Junker

Belgian Soprano Specializing in Baroque and Cla...

Kimmo Pohjonen

Finnish Accordion Virtuoso

Wilma Lipp

Austrian Operatic Soprano

Hilde Rössel-Majdan

Austrian Operatic Mezzo-Soprano

Berthold Goldschmidt

German-British Composer and Conductor

Ludwig Minkus

Austro-Hungarian Ballet Composer

Friedrich Ii.von Preussen "friedrich Der Große"

Prussian King and Flute Virtuoso Frederick the ...

Hanna-Elisabeth Müller

German Operatic Soprano

Stanislas de Barbeyrac

French Tenor Opera Singer

Régine Crespin

French Operatic Soprano and Mezzo-Soprano

Brighton Festival Chorus

British Symphonic Choir Ensemble

Nelly Miricioiu

Romanian Soprano Opera Singer

William Matteuzzi

Italian Operatic Tenor

Los Angeles Master Chorale

Premier Los Angeles Choral Ensemble

Welsh National Opera Chorus

Prestigious Welsh Opera Company Choir

Juan Pons

Spanish baritone opera singer

Hildegard Behrens

German Operatic Soprano

Wiebke Lehmkuhl

German Contralto Vocalist

Marie-Nicole Lemieux

Canadian Contralto and Opera Singer

Ekkehard Wlaschiha

German Operatic Baritone

The Welsh National Opera Orchestra

Prestigious UK Opera Company Ensemble

Eva-Maria Bundschuh

Helena Rasker

Dutch Contralto Vocalist

Marianne Crebassa

French Mezzo-Soprano Vocalist

Nicolas Courjal

French opera bass singer

Philippe Sly

Canadian Bass-Baritone Opera Singer

Wiener Johann Strauss Orchestra

Austrian Waltz Ensemble

Alessandro Corbelli

Italian Operatic Baritone

Orchestra del Teatro Regio di Parma

Italian Opera House Orchestra

Paul Nilon

British Operatic Tenor

Scott Hendricks

Renowned Country Music Producer and Record Exec...

Rosalind Plowright

British operatic soprano and mezzo-soprano