Prof. Bozena Betley graduated with honours at the National Academy of Music in Warsaw at the Department of Instrumental flute class doc. H. Bartnikowski and in the solo singing class of doc. M. Bojar-Przemieniecka at the Vocal Department. For 8 years she has been the first flutist in Warsaw Operetta Orchestra and then for five years a soloist of Opera and Operetta in Bydgoszcz. Then she was a soloist in the Grand Theatre in Warsaw. She has won vocal competitions. In 1969 she received the second prize at the International Moniuszko Competition in Warsaw (the first prize was not given). In 1970 she won the second prize at the International Competition of Toulouse and the Special Award “Silver Cup of Paris”. In 1979 she received a special award for her creative contribution in the recording of Stanislaw Moniuszko’s compositions f.e. for the opera “Straszny Dwor” (Hanna) for Radio and Television conducted by Jan Krenz. She made her debut in the role of Aida of G.Verdi. In the years 1974-1978 she sang at the Glyndebourne Opera Festival as Ilia in “Idomeneo” the Countess in “The Marriage of Figaro” and Fiordiligi in “Cosi fan tutte” of W.A. Mozart. She played the role of La Traviata at the Teatro Massimo in Palermo many times. She sang the role of Hanna from “Straszny Dwor” in Theater der Stadt Bonn. In 1981 she sang Roxana in "King Roger" by K. Szymanowski at the Teatro Colon in Buenos Aires conducted by Stephan Wislocki. She sang at the Auditorium di Napoli in Montpelier, Staadtsphilharmonie Kaiserlautern, Valencia and many others. The most common roles (besides those) were: Elizabeth in “Don Carlos”, Amelia in “Masquerade Ball” by Verdi, Donna Anna in “Don Giovanni”, Pamina in “Magic Flute” by Mozart, Countess in opera “The Countess” by Moniuszko, Micaela in “Carmen” by Bizet. In her artistic achievements there are also recordings, television and radio premieres, CD with Polish songs (including the BBC), Opera Arias CD, CD with “Ave Maria” by different composers, recording of oratorios and opera “King Roger” by K. Szymanowski and two music videos recorded with the London Philharmonic Orchestra for the BBC: “Idomeneo” (Ilia) under the direction of J. Pritchard and “Cosi fan tutte” (Fiordiligi) of W.A. Mozart conducted by. B. Haitink. In 1989 she began her pedagogical activity in the Music School of Frederic Chopin in Warsaw. Since 1995 he has been an academic at the University of Music of Fryderyk Chopin in Warsaw. In 2003 she was awarded the title of professor of musical arts. In 2003 she has been appointed Associate Professor. Since 2008 she has been a professor at the University of Music of Fryderyk Chopin in Warsaw, where she was a director of the Vocal Chair. Students prof. Bozena Betley have won national and international vocal competitions and her graduates sing in opera houses around the world.

Dr. Dr. Sylwia Burnicka - Kalischewska graduated from the State School of Music of Feliks Nowowiejski in Szczecin in the solo singing class of prof. Andrzej Kwiczała. She graduated from the Faculty of Russian Language and Applied Linguistics at Warsaw University (1996). In 1997 she graduated with distinction from the Academy of Music of Frederic Chopin in Warsaw in the solo singing class of prof. Urszula Trawińska-Moroz. In 2002 she completed her doctoral studies at the Faculty of Applied Linguistics and East Slavonic Philology at Warsaw University and she received the academic degree of Doctor of Humanities. In 2012 she received the academic degree of Doctor of Arts of Music in the Arts "Vokalistik" at the Academy of Music of Grażyna and Kiejstut Bacewicz in Łódź. She participated in master classes conducted by prof. Ryszard Karczykowski, Maestra Maria Fołtyn, prof. Bożena Betley. The first stage experience she gained during numerous tour with the Polish Music Theatre in Warsaw. The most frequently performed roles in a stage andas a concert are: I, II, III Lady of "Magic Flute", Donna Elvira in the opera „Don Giovanni”, Countess Almaviva in „The Marriage of Figaro” by W.A . Mozart, Rosalinda in „Die Fledermaus” by J. Strauss, Maggie and Gertrude in „Hänsel and Gretel” by E. Humperdinck, Leonora in „Il Trovatore”, Amelia in „Masquerade ball” by G. Verdi. She has given concerts with many orchestras f.e. Szczecin Philharmonic Orchestra, the Symphony Orchestra of Academy of Music in Warsaw, Budapest National Philharmonic Orchestra. She sang under the baton of Henryk Czyż, prof. Ryszard Dudek, Andrzej Knapp, Wojciech Szaliński, Zbigniew Powolny, Bogdan Hoffmann, Eugeniusz Kus, Antal Barnas, Friedmar Bellmann, Włodzimierz Porczyński and other conductors. She has performed as soloist at the Polish stages: the National Theatre in Warsaw, Theatre „Na Woli” in Warsaw, the Grand Theatre in Poznan, Opera Nova in Bydgoszcz, as well as on the stages of opera houses in Germany: Bremen, Hannover, Hamburg, Erlangen, Saarbrücken, Stuttgart , Wuppertal, Kiel, Münster, Mannheim, Regensburg, Dortmund, Hamm, Osnabruck, Schwedt, Lübeck, and many other cities. In 1997-2004 she worked as a soloist in the Powszechny Theatre of Zygmunt Hübner in Warsaw. She played a role of Sophie de Palma, a pupil of Maria Callas, in the „Maria Callas- masterclass” of Terrence McNally (with Krystyna Janda and Cezary Zak). At the same time she was also a soloist in the Warsaw Philharmonic with which she toured throughout Poland. The artist was invited to participate in many important festivals. She had guest performances at the XXXVII Festival of Stanislaw Moniuszko in Kudowa Zdrój, V Opera Festival in Bydgoszcz, II Opera Meeting in Grudziądz, VII and VIII Festival of Peace in Jawor and Usedomer Musikfestival. She has performed in Poland, Germany, Denmark, Switzerland, Italy, and France (Notre Dame Cathedral in Paris), Austria (Konzerthaus, Vienna) and the U.S.A. (Copernicus Center in Chicago). Sylwia Burnicka - Kalischewska made many recordings for radio and television. Since 2002 she has been teaching solo singing at a music school Kreismusikschule Uecker - Randow in Ueckermünde. In 2004-2005 she collaborated as a teacher of solo singing with a music school Musikschulzweckverband „Kon.centus” in Neubrandenburg. Her students have won German local and international vocal competitions.

Dr. Ewa Filipowicz-Kosińska graduated of the Academy of Music in Sofia, where she studied in the vocal class of  Professor Lilija Stefanov. She made her debut at the Sofia Opera in the role of the Third Lady in "The Magic Flute" by W.A. Mozart, and in a fragment of "Carmen" by G. Bizet. There are many roles in her artistic achievements: Carmen in “Carmen” by G. Bizet, Rosina in "The Barber of Seville" by G. Rossini, Jadwiga in "Straszny Dwór” by S. Moniuszko, Fenena in "Nabucco" by G.Verdi, Olga in "Eugene Onegin" by P.Tchaikovsky, Niklas in "Tales of Hoffmann" by J. Offenbach, Cherubino in "The Marriage of Figaro" by W.A. Mozart, the roles of Hansel and Mother in "Hansel and Gretel" by E. Humperdinck, Czipra in "The Gypsy Baron" by J. Straus, Hudel in "Fiddler on the Roof" by J. Bock, Anita in "West Side Story" by L. Bernstein. In 1991-1992 she was a soloist of the Silesian Opera in Bytom and from 1992-2011 a soloist of the Opera at the Castle in Szczecin. She has worked with many theaters in Poland: Grand Theatre in Warsaw, Musical Theatre "ROMA" in Warsaw, Grand Theatre in Łódź, Grand Theatre in Poznan, Silesian Opera in Bytom and The Cracow Opera House. Besides opera roles she successfully performs parties of oratorios and cantatas, takes part in concerts of contemporary music and song recitals. In 1997 the artist was rewarded by the Ministry of Culture and Art for Best Merits and popularizing of the operatic art. In 2001 she received the audience award "Amber Ring" for the role of Rosina in "The Barber of Seville", Honorary Diploma from the Ministry of Culture and National Heritage for her outstanding professional achievements, as well as the Medal "Gloria Artis" given by the Minister of Culture and National Heritage Kazimierz Ujazdowski. She represented the West Pomeranian Region at the World Exhibition "Expo -2000" in Hanover. In 2001 she participated in Vocal Master Class for interpretation of G.Verdi conducted by Fiorenza Cossotto. and in 2009 in the vocal workshop "Bel canto" by Ubaldo Fabbri. In 1996 Dr. Ewa Filipowicz-Kosińska recorded the CD "Symphony of four dreams " by J. Stalmierski and in 2000 CD "Ave Maria". The artist appeared abroad in over 200 performances. She sang on stages in:  Austria, Germany, Holland, Belgium, Switzerland, Denmark and England. Since 2005 she worked as an assistant at the Academy of Music in Poznań (its branch in Szczecin)  and since 2010 she has been an assistant professor at the Art Academy in Szczecin.  She leads vocal class at the School of Music in Szczecin. In December 2008 she received her doctorate in musical arts in the discipline of vocal art at the University of Music of Frederic Chopin. For many years she has also worked for the  theater community and she is one of its members. Since 2005 she has been a president of ZASP by the Opera at the Castle in Szczecin.

Friederike Meinel studied first at the Berlin Academy of Art with Ingrid Figur and then with Rudolf Piernay in Mannheim. In 2002 she made her concert exam. She was a listener durig master classes with Dietrich Fischer-Dieskau and Aribert Reimann for many years. Ingrid Bjoner and Helmut Kretschmar were also teachers very important to her. Major influence on the development of the singer had master classes led by Elisabeth Schwarzkopf and Ingrid Bjoner. Mezzo-soprano won in international competitions such as the Vocal Competition of Paula Lindberg - Salomon whether Yamaha Vocal Competition and among others she sang on the stage of the Bavarian National Theater in Munich, Dresden Semperoper, Opera Theatre in Cologne and during the Ravinia Festival in Chicago. She made her debut in the title role of the opera “Penthesilea – Dream” under the direction of Ulf Schirmer during the Wiener Festwochen. Friederike Meinel has worked in the field of opera with conductors as Jun Märkl, Marc Albrecht, Peter Schneider and Jeffrey Tate. She has performed with the following orchestras: the Czech Philharmonic Orchestra, Berlin Symphony Orchestra, the Bavarian National Orchestra, Orchestra Gürzenich in Cologne, Baden-Baden Philharmonic Orchestra. She has performed in the Berlin Philharmonic, the Rudolfinum in Prague, Cuvilliés Theatre in Munich, Prinzregententheater Theatre in Munich, the Konzerthaus in Berlin, the Big Hall of the West German Radio in Cologne, Chamber Opera Rheinsberg Castle and in the Spring of Heidelberg. She participated in many CD recordings. One of her recitals, which was held in Cologne Philharmonic and the West German Radio in Cologne, was a concert of songs by Franz Schubert conducted by Dietrich Fischer-Dieskau and a performance during the Ravinia Festival in Chicago. Since 2008 she has been a patron of the German project “Children help children - music creates the future” for the Children’s Aid Society “Catania” (help for traumatized victims).

Prof. Marilyn Rees graduated with a BMus (Hons) from University College Cardiff before continuing postgraduate and Opera School studies at the Royal College of Music. While still there, she made her professional debut with Kent Opera at the Aldeburgh Festival. Roles have included Susanna, Queen of the Night, Zerbinetta and the Bel Canto repertoire. She has worked extensively in recital and oratorio and has toured Japan, USA, Germany and Italy and has broadcast for television and radio. She sang with the Royal Opera House, Covent Garden and the Bayreuther Festspiele for ten years. Her special interest in vocal pedagogy led her to establish herself as a full time singing teacher in 1996 when she also joined the vocal department at the Royal Welsh College of Music and Drama. Marilyn is now a highly acclaimed and sought-after teacher and has a thriving private teaching studio in London of young and established artists. Her many successful students are enjoying competition success and are performing with the major opera companies. She is a frequent adjudicator, examiner and vocal consultant and gives regular workshops in London. Marilyn is also Professor of Voice at the Guildhall School of Music and Drama, teaches at Cardiff University and is Head of Singing at Junior Guildhall.

American soprano Janet Williams has won international critical acclaim for performances at the Metropolitan Opera, Berliner Stadtsoper, Paris Opera, Thèâtre des Champs Elysée, Opera de Lyon, Nice Opera, Théâtre Royal de la Monnaie, Geneva Opera, Frankfurt Opera, Cologne Opera, Leipzig Opera, San Francisco Opera, Washington Opera, Dallas Opera and Michigan Opera Theatre as well as in concerts throughout Europa, North America, Canada, Israel and Japan with conductors including Vladimir Ashkenazy, Daniel Barenboim, Myung Whung Chung, Phillippe Herreweghe, René Jacobs, Marek Janowski, Neemi Jarvi, Raymond Leppard, Fabio Luisi, Sir Neville Marriner, Nicholas McGegan, Zubin Mehta, Kent Nagano, John Nelson, Donald Runnicles, Gerard Schwarz and Michael Tilson Thomas. Janet Williams has appeared with the Israel Philharmonic at Carnegie Hall, The Chicago Symphony, the Mostly Mozart Festival in New York and Tokyo, the New World Symphony, the Detroit Symphony, the New York, Los Angeles, Santa Fe Chamber Orchestras, as well as with orchestras throughout Europe in repertoire ranging from Bach und Mozart to contemporary works of living composers. Her interpretations as a recitalist have been critically acclaimed in New York, San Francisco, Washington D. C. and Detroit and as well as Berlin, Paris, Tokyo and in Iceland. Ms. Williams' professional carreer began with the San Francisco Opera Center as a member of the Merola Program. She was awarded an Adler Fellowship and subsequently appeared with the company as guest artist singing leading roles in the operas of Mozart, Puccini, Händel and Rossini. She was a member of the Berlin Staatsoper ensemble, making a critically acclaimed debut as Cleopatra in Carl Heinrich Graun's Cleopatra e Cesare. Other roles in her repertoire include Pamina in Die Zauberflöte, Konstanze and Blondchen in Die Entführung aus dem Serail, Susanna in Le nozze di Figaro, Sophie in Der Rosenkavalier, Adina in L'Elisir d'amore, Änchen in Der Freischütz, Adele in Die Fledermauß, Rosina in Il Barbiere di Seviglia, Musetta in La Boheme, Gilda in Rigoletto, Oscar in Un Ballo in Maschera and Nannetta in Falstaffas as well as the Jungfrau in Stravinsky's Moses und Aron and Manon in Henze's Boulevard Solitude. She is especially acclaim for leading roles in the baroque operas of Händel, Telemann, Gassmann and Stradella at the Händel Festival in Halle, the Festwochen der Alten Musik in Innsbruck, Austria; the Spoleto Festival Italy, the Schwetzingen Festival, the Wexford Festival in Ireland and the Styriarte Festival in Graz. Ms. Williams recently made her theatrical debut in Dante's La Vita Nova in a co-production of the Berlin Renaissance Theater and the Bayer-Leverkusen Kulturhaus. She has appeared in nationally and internationally televised specials, including the Kennedy Center Honors Concert in a tribute to honoree Marylin Horne, the PBS broadcast of the San Francisco Opera Gala co-hosted by Joan Sutherland and the ARTE film documentary L'Opera seria. She was featured in an Oscar-winning documentary of the San Francisco Opera Chorus as Musetta in Francesca Zambello's production of La Bohème. Her recordings include Brahms' Ein deutsches Requiem with the Chicago Symphony under Daniel Barenboim, Händel's Messiah with the Philharmonia Baroque Orchestra under Nichalas McGegan, Graun's Cleopatra e Cesare with the Concerto Köln Orchestra under René Jacobs and Cimarosa's Il matrimonio segreto under Gabriele Bellini. Janet Williams holds Bachelor degree both Music Education and Vocal Performance from Indiana University, where she was a student and Assistant Instructor under Professor Camilla Williams. Other instructors or mentors have included world-renowned singers Regina Crespin, Kammersängerin Helen Donath, Kammersängerin Reri Grist and noted international vocal pedagogue David Jones. Janet Williams was recently named Guest Professor of the Hochschule für Musik Hanns Eisler in Berlin and is currently on the voice faculties of the Hochschule für Musik and Theater in Rostock and the Lotte Lehmann Summer Academy in Perleberg, Germany. She has presented master classes, seminars and workshops across the United States, as well as in London, Paris, Reykjavik and Berlin. Her book Nail Your Next Audition, The Ultimate 30-Day Guide for Singers has attracted a global following of young singers and voice professionals.

Diego Crovetti, pianist and conductor, was born in Milano, Italy. After having studied piano in M?nchen (Germany) and Milano, havig graduated at Conservatorio Verdi he mastered in the field of opera and orchestral conducting. He studied also musicology and literature at Milano State University. As a pianist he accompanied many vocal concerts and opera shows all around Italy and Europe (Germany, Austria, France, Swiss, Spain) and Asia (China, Korea, Japan), playing with such singers as Barbara Frittoli, Katia Ricciarelli, Jose' Cura, Giuseppe Giacomini, Giacomo Aragall, Salvatore Licitra etc. In 1997-2001 he worked as an opera-coach at Graz Opera House (Austria) and he was also an assistant of such conductors as Ulf Schirmer, Gunter Neuhold, Anton Guadagno and Maestro Riccardo Chailly at the Milano Verdi Symphony Orchestra. He was also a guest of other theaters like Tokyo National Theatre, Teatro alla Scala (for "West Side Story"), Teatro Sociale di Como. He teaches an opera interpretation for singers and orchestral and chorus conducting at Accademia Donizetti in Masate (Milano) and he holds many masterclasses in Italy, Austria, Japan, China, Korea. He is invited as a Jury at many important singing competitions such as "Aslico" in Como, "Tagliavini" in Deutschlandsberg (Austria), "Viotti" in Vercelli, "Zandonai" (2010 special edition at Shanghai Expo), "Bellini" in Caltanissetta. He made his debut as a conductor with "Philarmonia Mediterranea Orchestra" at the 1st Calabria Opera Festival in Cosenza (Italy). In 2002-2006 he conducted many vocal concerts tours in Swiss, Germany, Austria, appearing also in important concert-halls such as Frankfurt "Alte Oper", Muenchen "Herkulessaal", Zuerich "Tonhalle". In 2002 he had his opera debut with "AIDA" of Verdi at Heidelberg Arena (Germany). He followed many opera productions in Italy, Germany, Austria, Belgium f.e. "Aida", "Nabucco", "La Traviata", "Die Zauberflöte", "Die Czardasfürstin". In 2004 he conducted "Tosca" at Busan Opera House (Korea) with Seoul Philarmonic Orchestra and in 2006 he made his USA debut with "Pagliacci" and "Lucia di Lamermoor" at Grand Opera Theatre in Wichita, Kansas. In the same year he conducted "Tosca" in Como and "Carmen" in Milano. In 2007 after "Macbeth" of Verdi in Spain (Madrid, Zaragoza, Toledo) and "Barbiere di Siviglia" in Latina, he conducted "Aida" at the important Avenches Arena Opera Festival. In 2008-2011 he prepared various productions as "Tosca" and "Aida" at the Cheliabinsk Opera Festival (Russia), "Carmen" and "Traviata" at Busan Opera House, "Cavalleria Rusticana", "Barbiere di Siviglia", "Elisir d'amore", "Rigoletto" in Milano and in Sicily, "Traviata" at Daegu Opera House (live broadcast by MBC TV) and Seoul Arts Center (Korea) where he will be back next year. His next production will be "Il Trovatore" at Rho Auditorium Milano and in december 2011 he will debut with Orchestra Sinfonica Siciliana at Teatro Politeama in Palermo. In 2009 he recorded a CD of "Cavalleria Rusticana" of Mascagni with the Italian Philharmonic Orchestra.

Prof. Johannes Mannov was born in Copenhagen, Denmark. He studied singing at the Music academies in Freiburg and Karlsruhe, Germany. He had his operatic debut with the opera house in Kassel Germany, and has since performed in opera houses around the globe: New Zealand, Australia, South America, USA, Israel, Turkey, and throughout Europe. He has collaborated with renowned conductors such as Mstislav Rostropowitch, Lord Yehudi Menuhin, Sir Neville Marriner, Gary Bertini, Herbert Blomstedt, Christopher Hogwood, Kent Nagano, Toni Papano, René Jacobs, Phillippe Herreweghe, Thomas Hengelbrock, Armin Jordan, Jeffrey Tate, Peter Schreier.  As an opera singer prof. Johannes Mannov has performed in Hamburg and Berlin (State Operas), Brussels La Monaie, Paris La Bastille, Royal Opera Copenhagen, New Israeli Opera, San Diego and Cincinnati Opera, Wellington New Zealand and in Santiago, Chile. His repertoire includes roles such as Don Giovanni, Leporello, Guglielmo, Figaro, Count Almaviva, Billy Budd, Evgeni Onegin, Papageno, Marcello, Nick Shadow, Kurwenal, Wolfram and Golaud in productions by Peter Konwitchny, David Pountney, Kasper Holten,   Francesca Zambello and Götz Friedrich. With his vast lied and oratorio repertoire, he has been invited to the main music centres of Europe including The Amsterdam Concertgebouw, Berliner Philharmonie, London Barbican Centre, Tonhalle Zürich, Palao Musicao Barcelona, Paris Theatre de Camps Ellysiée and Cité de la Musique, and to many Festivals around the world such as Perth, Edinborough, Luzern, Istanbul, Schleswig Holstein, Innsbruck, Brussels, Milano, Madrid and Venice. He has personally collaborated with composers such as Steen Pade, Poul Ruders, Luigi Nono and Hans Werner Henze on the performance of vocal music.Johannes Mannov works frequently with musicians performing on historical instruments. He has collaborated with Musica Antiqua Cölln, Das Freiburger Barockorchester, R.I.A.S. Berlin, Akademie für Alte Musik Berlin, La Petite Bande, The Festetics Quartet, La Chapelle Royale and the Balthasar Neumann Chorus and -Ensemble. The fruits of much of this work has been recorded and is availiable on CD. He has taught voice at the Universität der Künste, Berlin, at the Musikhochschule in Kassel and at The Royal Opera Academy, Copenhagen. He currently holds a position as a voice teacher at The Royal Conservatory of Music, Copenhagen, at the Academy of Music and Dramatic Arts Southern Denmark, Odense and is visiting professor at the Academy of Music in Nürnberg.

Prof. Włodzimierz Zalewski - singer associated with the Grand Theatre - National Opera in Warsaw and the Grand Theatre in Łódź. In 1976 he graduated at the State Higher School of Music in Łódź at the Faculty of Vocal and Acting in the class of prof. Zdzisław Krzywicki. He has won many vocal competitions and he has got many prizes and awards. He has a repertoire of over 50 opera parties that he presented on the Polish and foreign scenes, including Germany, Austria, Switzerland, France, Greece and the Netherlands. The most important roles are: Gurnemanz in “Parsifal”, the title role in Richard Wagner's “Dutchman wanderer”, Zacharias in “Nabucco”, the title role in “Attila”, Philip II and the Grand Inquisitor in “Don Carlos”, Walter in “Luisa Miller”, Fiesca in Giuseppe Verdi's “Simon Boccanegra” , Scarpia in “Tosca” by Giacomo Puccini, Baron Ochs auf Lerchenau in “Der Rosenkavalier” by Richard Strauss, Don Pizarro in “Fidelio” of Ludwig van Beethoven, the title role in “Boris Godunov” by Modest Mussorgsky, Prince Gremin in “Eugene Onegin”, Kochubey in “Mazeppa” of  Peter Iljich Tchaikovsky, Mendoza w “Engagement at the monastery” of Sergei Prokofiev, Creon and the Messenger in Igor Stravinsky's “Oedipus Rex”, the Duke Bluebeard in Bela Bartok’s “The Castle of the Blue-Bearded Duke”, the title role in “Don Giovanni” and Sarastro in “The Magic Flute” by Wolfgang Amadeus Mozart, Van Bett in “Car and carpenter” of Albert Lortzing, Zbigniew and Skołuba in “Straszny dwór” and Stolnik in Stanisław Moniuszko's “Halka”. He participated in the Polish and world premieres of the following works: “Draußen von der Tür”  of Sandor Balassy, “Kohlhaas” of  Karl Kogler (record and film), “Maria Stuart” and “Lord Jim” of Romuald Twardowski, “Ubu Rex” by Krzysztof Penderecki, “Wyrywacz serc” by Elizabeth Sikora. He has made many recordings, television and radio. The artist also performs extensive oratorio repertoire, which includes the following songs: Georg Friedrich Handel (Messiah), Johann Sebastian Bach (Passion by  St. John, Passion by St. Matthew, the Mass in B Minor, Christmas Oratorio, Easter Oratorio), Wolfgang Amadeus Mozart (Requiem), Gioacchino Rossini (Stabat Mater, Small solemn mass), Giuseppe Verdi (Messa da Requiem), Antonín Dvořák (Requiem, Stabat Mater), Ludwig van Beethoven (Missa solemnis, The Ninth Symphony). His repertoire includes songs of the series: “Schwanengesang” of Franz Schubert, Robert Schumann's “Dichterliebe”, “Vier ernste Gesänge” by Johannes Brahms, “Songs and Dances of Death” by Modest Mussorgsky, “Song of the sonnets of Michelangelo” by  Hugo Wolf, and numerous songs of Polish and foreign composers. He collaborated with leading conductors as: Zygmunt Latoszewski, Jerzy Katlewicz , Jerzy Semkow, Henryk Czyż, Antoni Wicherek, Bogusław Madey, Semion Bychkov, Manfred Mayrhofer, Antoni Wit. He has performed in many productions of such directors as: Andrzej Żuławski, Marek Weiss-Grzesiński, Fritz Flieder, Pier Luigi Pizzi,  Pier Luigi Pier'Alli, Gilbert Deflo, Christof Loy. He has been working as a teacher since 1980. He is a professor. His students have won numerous awards at Polish and international competitions and they are singing in the best opera houses all over the world. Among his most prominent pupils there are: Mariusz Kwiecień, Daniel Borowski and Piotr Miciński. The artist is the author of a lot of lectures dedicated to the teaching of singing and he is also vocal competitions juror. He leads masterclasses for young singers (in 2003 - at the Royal College of Music in Stockholm) and is the creator of masterclasses in Rheinsberg (Musikakademie). He has supervised and reviewed numerous doctorates, professorships, habilitations and has supervised honorary doctorates of prominent singers: Teresa Kubiak and Christa Ludwig. In 2002-2005 he was a  head of  the Department of Vocal Music at the Academy in Warsaw and in 2002-2008 he was elected a dean of the Vocal Faculty at Music Academy of G. and K. Bacewicz in Łódź.