She took her first singing lessons with professor Mladen Häusler, and then studied singing in the class of professor Nada Puttar-Gold and professor Snježana Bujanović-Stanislav at the Zagreb Music Academy. During her studies she performed in the Croatian National Theatre in Zagreb.
She received the third prize at the National Music Competition in Croatia (with the second not being awarded); the audience award at the Music Competition of the Croatian Radio “Radio podij” (Radio Podium), and the University of Zagreb Rector’s Award. As a student she also received training at maestro courses in the Vienna Conservatory under world famous soprano Sena Jurinac, and then after graduation she won a scholarship of the city of Salzburg and attended the International Summer Academy Mozarteum in the class of the renowned opera singer Grace Bumbry and professor Jonathan Morris.
She continued her educational training in Switzerland under J. Morris and in Zagreb under Ruža-Pospiš Baldani. Natasha achieved her first international professional opera debut in 2000 at the large Arena stage of the Summer Opera Festival in Avenschesu (Switzerland), playing Sacerdotessa from the opera “Aida” by G. Verdi. This performance is followed by concerts among which the especially prominent are the alt solo from “Vesper op. 37” by S. Rahmaninow accompanied by the Humboldt Universitaet Chor from Berlin, with which she achieves a Germany performance tour. In 2002 she debuted in Berlin at the Museum Summer (Open-Air), playing Ursula from the opera “Beatrice und Benedikt” by H. Berlioz, a performance under the auspices of Daniel Barenboim. She engaged in contemporary music with the musical-dramatic piece “Return to Future” by U. Greba, playing: Country singer; Cowboy; Terrorist and TV Presenter, performed in Stadtstheater Moers in Germany. A range of concert and oratorio performances in Germany and Switzerland followed. In 2007 she returned to Croatia and has performed as a soloist in the Croatian National Theatre in Zagreb in the opera “Dialogues of the Carmelites” by F.Poulenc, and the opera trilogy “The Triptych” by G. Puccini. She also regularly performs in solo concerts and chamber music concerts in the concert halls and various music festivals in Croatia,Italy, France, Germany, Switzerland and Spain. She has recorded chamber music for the Croatian Radio Television, and has also done recordings of croatian composer -F. Kuhach’s compositions for the Croatian Academy of Sciences and Arts.
In Madrid, she premiered the composition “Lux aeterna” by composer Dalibor Bukvić, recorded in 2008 in the Croatian Composers’ Society. The piece is used in the motion picture “Sorrow” by Liliana Resnik from the “Cyclofilm” New York – USA, screened at several film festivals around the world. In 2000 the film received the first prize at the 11th International Film Festival in Maribor, Slovenia.
Natasha s Opera repertoire goes from Baroque – she sang die First Witch in der Oper „Dido and Aeneas“ von H. Purcell, Orpheo from the Oper „Orpheo and Euridice“ von Ch. W. Gluck; Cherubino from “ Le nozze di Figaro” W. A. Mozart, than Clarina from “ La cambiale di Matrimonio”G. Rossini, Giannetta from “Village singers” G. Rossini; Mother Jeanne “ Dialogues of the Carmelites”“ from F. Poulenc ; she sang also Ursula from „Beatrice and Benedict“ von H. Berlioz und “ Nurse” from “ Il Trittico “von G. Puccini , Sorceress from „Aida“ von G. Verdi, und she was cover from der Fricka aus „Rheingold“ R. Wagners, to modern Operas, where she sang the main role in the Opera „ The shining city”“ from composer from Croatia Ivo-Lhotka Kalinski, in National Theatre Rijeka.
Her first solo compact disc in cooperation with the organ player Višeslav Jaklin, with the title „The Baroque Music of the Northern Croatia“was released by the renowned recording label „Cantus“ in the year 2013. Besides her performances in operas and oratorios, Natasa regularly appears in Recitals on various stages and concert halls all over Europe.
She regularly appears at the Croatian State Radio Station ( Hrvatska Radio Televizija). She has been a guest in many programmes and gives an interviews hosted by the state Radio and Television. In 2013 she was invited as a guest lecturer in Austria, at the ‘ Sommerakademie der Universität für Musik und darstellende Kunst’ in Wienna (isaScience 2013). Nataša Antoniazzo is a freelance artist and member of the Croatian Society of Music Artists and the Croatian Freelance Artists’ Association in Zagreb. She is also the artist within the Zagreb Concert Management. Since 2015 she has been teaching the subject „Music and stage performance“ at the International University Libertas, Faculty for Film and Theater in Zagreb, Croatia. 2016 -she recorded a new CD ” Mignon” with pianist Mia Elezovic – discography label “Bella Musica edition, Antes edition” with world distribution of Naxos!