4th Prize - London Classical Music Competition - International Online Competition (2022)

Semi-Finale - International Online Competition Boris Martinovich (2022)

2019 - Henfenfeld - ...Aus dem zweiten Akt wurde die weltberühmte Arie „Vissi d’Arte, vissi d’Amore“, zu Deutsch „Ich lebte für die Kunst, ich lebte für die Liebe“, ausgewählt, die von Isa Regina Siebert mit zarter, wehmütiger und beseelter Stimme begonnen und zu einem furiosen, ergreifenden Höhepunkt geführt wurde.“…“ / .. From the second act was the world-famous aria" Vissi d'Arte, vissi d'Amore ", in English" I lived for the art, I lived for love ", selected by Isa Regina Siebert who started with soft, wistful and soulful voice and led to a furious, poignant climax. (2019)

2019 - Newspaper report: WAZ 2019 - …Auf dem gleichen Top-Niveau bot Isa Regina Siebert Arien von Giacomo Puccini und Antonín Dvořák dar… English: At the same top level, Isa Regina Siebert presented arias by Giacomo Puccini and Antonín Dvořák (2019)

2018 - Newspaper report: Wiesbadener Kurier 2018 - (ich sang "Vissi d'Arte" und hierauf wurde wie folgt Bezug genommen) ... nach der gefeierten Puccini-Darbietung von Isa Regina Siebert, mit der er zum Abschluss des Konzerts Franz Lehárs „Lippen schweigen“ aus der Operette „Die lustige Witwe“ sang... (2018)

2017 - During the time that Isa has been taking vocal tuition with me I have been most impressed by her eagerness to learn and her passion for singing. She possesses a beautiful lirico spinto soprano voice with a depth and warmth of timbre. Given the time and opportunity I feel she has great potential. I therefore recommend her highly for your consideration. (2017)

2017 - Newspaper report : Wiesbadener Kurier 2017 - Mit anhaltendem Applaus werden die Darbietungen zu Puccinis „O mio babbino caro“ quittiert. Und natürlich dem „Dich, teure Halle, grüß ich wieder“ aus Wagners „Tannhäuser“. (2017)

2016 - The undersigned Prof. Maurizio Scarfeo declares that: Mrs. Isa Regina Siebert has an operatic soprano voice whose vocal and singing abilities stand out and that during my Singing Master Class and the conclusive concert, which occurred in Germany in May 2016, she showed important artistic and interpretative skills , a great vocal quality and sophisticated taste. It has been a pleasure to working with her. I’m looking forward to seeing with tense anticipation what will emerge in her further career. (2016)

2015 - Frau Isa Regina Siebert ist seit Sommer (August) 2015 Mitglied des Extrachores am Staatstheater Wiesbaden. Bei einem Vorsingen qualifizierte sie sich durch ihre klare und intonationssichere Stimme für die Stimmlage Sopran. Obwohl sie damals erst wenig Gesangsunterricht hatte, sang sie mit viel Empathie und Freude ihre Arien vor und entwickelte ihre Stimme danach durch die Teilnahme an mehreren Workshops ständig weiter. Brigitte Sprenger-Rulf Mitglied des Vorstands des Extrachores am Staatstheater Wiesbaden (2015)

2014 - Natela Nicoli - Accademia Belcanto Isa Regina Siebert lernte ich durch ihre Bewerbung auf unseren Internationalen Gesangswettbewerb 2014 kennen. Das hoch motivierte Schreiben stach aus den zahlreichen Bewerbungen heraus und so lud ich sie als eine der Teilnehmerinnen für unseren vorhergehenden Gesangsworkshop ein. Dort bestach sie durch ihre Ausdauer und Bühnenpräsenz und wurde aus diesem Grund ausgewählt als Solistin an einem Konzert im Spiegelfoyer der Grazer Oper aufzutreten. (2014)

Isa Regina Siebert, soprano (lyrical / teen-dramatic) lives in Wiesbaden and proves again and again as a singer-talent. She is still working freelance in a commercial profession and thus finances her private music studies.

Her interim successes show the joy and path of a talented, motivated and dutiful musician's heart. From the first solo role, member of the ensemble of the extra choir of the Staatstheater Wiesbaden, regular qualifications in international singing competitions to their performances in Germany, Austria and Italy give an idea of what further career we may witness here. Isa Regina Siebert is said to have a Wagnerian voice and just qualified for the masterclass in Italy by and with José Carreras.

At the end of 2013 she met Nico Müller (opera singer / baritone and vocal pedagogue) and participated in his vocal weekend workshop in Wiesbaden. Afterwards she was encouraged by him "you have talent, find teachers and learn to sing". In May 2014 she was helped by another "coincidence" to her first class lesson and so she went to Nico Müller again to Dresden and got confirmed by him "Classical, you can do, you have something rare, you have a big voice". Since then she takes about every 3 months at the weekends with him classical singing lessons. In addition, since 2017, continuous teaching of Wagner hero tenor John Treleaven and since October 2018 now weekly lessons with the tenor Keith Ikaia-Purdy.

Also the further education of the last years at masterclasses by Prof Natela Nicoli, Prof. Maurizio Scarfeo, Prof. Charlotte Lehmann, Prof. Krisztina Laki, Giacomo Aragall, M ° José Carreras, Denette Whitter, Maria Luisa Sánchez Carbone, Ronald Pries, Eteri Lamoris, Prof Caroline Dowdle, language training at Gina Mattiello and drama and coaching courses with James Wood, Prof. Cornelia Repschläger, Sebastian Gühne, Britta Wieland, Oliver Klöter, let her mature professionally.

First successes and events that shaped and encouraged her to continue singing:
2014 - as part of the coaching week with Natela Nicoli, director of the Accademia Belcanto in Graz, qualification for the first public appearance in the mirror foyer of the Graz Opera;
2015 - Audition with Michael Vaccaro, Director of the Opera Classica Europa, receiving a scholarship to master class with Eva Randova and Giacomo Aragall; 2015 - audition at the Staatstheater Wiesbaden - director Uwe Eric Laufenberg, music director Patrick Lange, choirmaster and conductor Albert Horne -
since 2016 a permanent member of the Extrachor in La Forza del Destino, La Bohème and Tannhäuser;
2017 - Audition at the Hamm Opera and receiving the first solo role as Simonia, played in the sense of an Italian diva, in the operetta Ten girls and no man by Franz von Suppé, directed by James Wood, director artist (m / w / d) Anna Maria Lora
2018 - Audition Auditions Gioachino Rossini, Pesaro, Italy, Directorate M ° Ludovico Bramanti, Musical Director M ° Lorenzo Bavaj - first qualification for the masterclass and concert of and with José Carreras
2019 - renewed qualification for the master class of and with José Carreras and other already planned performances in Germany and Italy.

Isa Regina says of herself "I love the exchange with the audience. I am fascinated by the fact that I have something in me that allows me to reach people by voice. These people show me their joy in body language and verbal feedback or applause - and I'm just grateful for that blessing.“

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