About us
25th International Accordion Summer School - 2019
Participation form
Participation fee
45th Accordion Competition 2020


Croatia, Pula 12th-17th August 2019




Individual teaching:


Stefan Hussong 

Born in Köllerbach an der Saar, Germany, is First Prize winner of the 1983 International Hugo Herrmann and the 1987 International Gaudeamus Interpreters Competition for contemporary music. In 1999, he was awarded the Echo Classic Prize of the German Phonoacademy in the category Best Performer. That same year his Solo-CD for Denon with works by John Cage won the Best Record Award of the year. Hussong has premiered more than 150 works dedicated to him and he has recorded more than 40 CD`s, some of which have won several prizes.Stefan Hussong has appeared in concert throughout Europe, in the United States, Russia and in Asia.  He has appeared at festivals such as the Salzburg Festival, the Beethoven-Haus Bonn, Ultraschall Berlin, Suntory-festival Tokyo, Leipzig New Music, Munich Biennale, Triennale Cologne, Brussels, Wien-Modern, Moscow Bajanfestival, Warszaw-Autumn, Rheingau, Archipel Geneva, Festival Nancy, France, Takefu and Akiyoshidai in Japan and “Meet the Moderns” in San Francisco. As a soloist, he has appeared with, among others, the Orchestre de la Suisse Romande, Berliner Phil. Orchestra, Vienna Philharmonic, Ensemble Intercontemporain, Ensemble Modern, Klangforum Wien, Rundfunk Symphonieorchester Saarbruecken, the Tokyo Harmonia Chamber Orchestra, Seoul Phiharmonic, National Taiwan Symphony, Tokyo Sinfonietta, and Tokyo Shin Nippon Philharmonic Orchestra. He has closely collaborated with composers such as S.Gubaidulina, K. Harada, A. Hölszky,  T. Ichiyanagi, T. Hosokawa, U. Rojko and K. Huber etc. who have dedicated more than 150 works to him. Mr. Hussong has recorded for Denon, EMI, Wergo, Thorofon, Mode-records, Col Legno, Koch-Schwann, Ars Musici ranging from the Baroque to the contemporary works, Stefan Hussong studied with Eugen Tschanun, Hugo Noth, Joseph Macerollo and Mayumi Miyata at the Universities of Trossingen, Toronto and Tokyo (Geijutsu Daigaku). He is a recipient of scholarships from the D.A.A.D. Foundation, the "German Scholarship Foundation", Academy Solitude Stuttgart and the Art Foundation of Baden-Wuerttemberg. In 1989 he served as visiting professor at the Sibelius Academy in Helsinki. Today he is a professor for accordion and chamber music at the Würzburg University of music and since 1993 has been a Professor at the International Summer Academy of the Mozarteum Salzburg.




Iñaki Alberdi 

studied under Carlos Iturralde, and completed his training under Friedrich Lips and Matti Rantanen at the International Centre for Accordion Studies, the Gnessin Institute in Moscow, and the Sibelius Academy in Helsinki. He was awarded first prizes at the Coupe Mondiale (Colmar, 1994), the International Accordionist and Bayanist Competition (Moscow, 1995) and the Music Competition for Youth (Valladolid, 1996). Alberdi has collaborated closely with different current composers, and premiered work by Sofia Gubaidulina, Karlheinz Stockhausen, Luis de Pablo, Joan Guinjoan, Gabriel Erkoreka, Ramon Lazkano, Jesús Torres, Agustín Charles and José María Sánchez-Verdú. He was recently nominated for the Gramophon Editor’s Choice Award for his monographic record on Sofia Gubaidulina. The accordionist has recorded for Stradivarius, Kairos, Verso, Et’Cetera, and the National Spanish Orchestra label. He has performed in numerous concert halls and appeared at a wide variety of festivals, including the Teatro La Fenice, the Arsenal Concert Hall (Metz), the Auditorio Nacional (Madrid), the San Sebastián Music Fortnight, the Royal Academy of Music, the St. Petersburg Hermitage, the Hamburger Ostertöne, the Palacio Euskalduna, the Stuttgart Staatsoper, the Granada Music and Dance Festival, the Venice Biennial, the Kursaal in San Sebastián, the Mostly Modern Series in Dublin and the St. Petersburg Philharmonia. Iñaki Alberdi is a frequent guest performer with ensembles such as the Royal Liverpool Philharmonic, the Tampere Chamber, the National Spanish Orchestra, the City of Granada Orchestra, the Spanish Radio and Television Symphony Orchestra, the Galicia Philharmonic, the Orchestra of the Region of Madrid, the Bilbao Symphony Orchestra, the Andorra National Chamber Orchestra, the Magnitogorsk Symphony Orchestra, the Málaga Philharmonic Orchestra, the Euskadi Symphony Orchestra, and the Russian Ministry of Culture Orchestra. Among other conductors, he has performed under Juanjo Mena, Josep Pons, Pablo González, Vasily Petrenko, Adrian Leaper, Pedro Halffter, Alexei Artemiev, Yoav Talmi, Mélanie Thiébaut, Nacho de Paz and José Ramón Encinar. As a chamber music performer, he has worked with BCN 216, Ostots, Proyecto Guerrero, Taima-Granada, the Trío Arbós, the Kammerensemble Neue Musik (Berlin), VOX 21, the Ensemble Instrumental (Granada), the Ensemble Residencias (at the Centre for the Dissemination of Contemporary Music), the KEA Vocal Group, and Neue Vocalsolisten. In Sofia Gubaidulina’s words, “Iñaki Alberdi has great talent, and the complete dedication of an artist to his music. His amazing understanding of the depth of form, together with his remarkable temperament, made the strongest and most extraordinary impression on me”. 


Mirjana Petercol 

was born in Poreč, where she also attended music school (accordion professor Dekleva-Radakovic). After finishing the Secundary Music School in Pula - at the piano and accordion department, she continued her studies at the music academy in Hannover (class Prof. Elsbeth Moser). There she graduetes in postgraduate study level "Künstlerische Ausbildung" and the soloist level „Konzertreife“. The desire to continue her education leads Petercol to the Foklwang Universität Essen where she studied medieval music (Master of Music Art) where she meets the instrument Gothic portativ on which she also plays concerts. Further education in the field of sacral music (organ and choir), elementary music pedagogy, and in the field of medicine for musicians (dyspokinesiopedy, AT, Jacobsen technique, Yoga and hypnosis mental technology) follow. Since 2017 Petercol has been studying in composer class of prof. Claus Kuhnel / Frankfurt. As a regular docent professor and Head of accordion department at the Music Academies (Wiesbaden, Kassel) and Kassel University (BRD) she has been educating since 1998 numerous accordionists. Petercol concerts on bayan, and holds masterclasses for accordion and of medicine for musicians across Europe. 


Orchestras and conducting:

Denis Modrušan

Conductor and pedagogue. He finished the studies of accordion and symphonic conducting at the Kiev National Music Academy "P. I. Čajkovski" in Ukraine. He teaches at the Music Academy in Pula as a docent. From the year 1997 to the year 2001 he is a regular conductor of the Orchestra of the Istrian National Theatre in Pula. He also conducted the Orchestra of the opera studies of Kiev State Conservatory, the Symphonic orchestra of the Ukraine Radio-Television, the Chamber Orchestra "Ars Viva" (Kiev, Ukraine), the Sheffield Symphonic Orchestra, the Croatian chamber orchestra from Zagreb, the Varaždin Chamber Orchestra, the Festival Chamber Orchestra from Rijeka, the Accordion Orchestra "Stanko Mihovilić" from Pula, the Accordion Orchestra of the Music Academy in Ljubljana, the IstriaPhonic Orchestra, and the Academy Symphony Orchestra from the Juraj Dobrila University of Pula. From the year 2011 to the year 2014 he conducts the Academic Mixed Choir of the Music Academy in Pula. He is a longtime conductor of the Academic Accordion Orchestra of the Music Academy in Pula, with whom he has performed numerous concerts and won numerous awards. He is active in the socio-musical programs for children and youth in the Istria region with the aim of establishing the Youth Symphony Orchestra of Istria. He is a jury member at national and international competitions, and as a conductor and an lecturer in various masterclasses.


Lectures and chamber music: 

Ivana Cvetkovski 

Finished the Accordion Study in 2000 at the Universität für Musik und darstellende Kunst in Graz (Austria) in the class of renowned experts for the classical accordion James Crabb and Geir Draugsvoll. After graduating, she continued her postgraduate studies in the solo class of prof. Crabb and post graduated with excellent success in 2002. Beside solo class in accordion, she also finished pedagogy Instrumental-Gesang-Pädagogik (IGP - direction of instrumental music pedagogy) and violoncello as the other main subject. At the end of her postgraduate studies, she enrolled the doctorate of philosophy in Graz, also at the Universität für Musik und darstellende Kunst in Graz, and in 2008 she passed the Rigorosum exam, and has became Doctor of Philosophy. The theme of her dissertation was "Das Akkordeon in Kroatien" (“Accordion in Croatia”) which is closely related to her professional commitment. She improved her music education by regularly attending numerous seminars where she cooperated with well-known world-class pedagogues and soloists, and she proved and confirmed her acquired knowledge at numerous national and international competitions, where she has won a lot of awards. After completing her studies, she returned to Croatia where she has been working at the Music School "Zlatko Baloković" in Zagreb since 2003 as a professor of the accordion, cello and chamber music. After her education, she has been dedicated to pedagogical work, and her students regularly participate in numerous competitions and win numerous awards. In 2015, based on her achieved results, the Ministry of Science, Education and Sports of the Republic of Croatia and the Education and Training Agency, promoted her in professor mentor. Ivana Cvetkovski is the author of the method book for the beginners on the accordion called ‘HOKUS POKUS HARMONIKUS!' published in 2018, which combines two different right-hand system on the accordion (keys and buttons) as well as two left hand manual systems (standard bass and baritone (free) bass). The method in this method book allows equal use for those students who play piano accordion, as well as students who play button accordion. The method book HOKUS POKUS HARMONIKUS! can be used by students who play instruments with standard bass only, as well as those whose standard bass instruments have additional melodic bass. The primer book is completely coordinated with the Curriculum and the program for the first grade of accordion of the elementary music school, and it is approved by the Education and Upbringing Agency. Ivana Cvetkovski is a jury member at national and international competitions for accordion, and she is a mentor of accordions trainees. She has also been a member of the Committee for Professional Examinations at the Education and Training Agency for many years. Beside her teaching work, she writes professional articles in the field of pedagogy and accordion teaching methodology lectures at seminars and professional meetings, and throughout the range of her various activities, she actively promotes classical accordions. She is also a member of Matica Hrvatska for many years. As a reproduction artist, she plays with different ensembles (Cantus ensemble, Acoustic project, Accoquartet)..


The Summer School is suported  by:










Igor Krizman





45th International Accordion Competition - Public announcement COVID-19
45th International Accordion Competition 2020
International Jury of 44th Accordion Competition
Timetable of events - 44th International Accordion Competition
Korisni linkovi:
Grad Pula
Istarska županija
Turistička zajednica Pule
Confédération Internationale des Accordéonistes (IMC-UNESCO
Ministarstvo kulture RH
Hotel Pula
Harmonikaški centar

© OKUD ISTRA • Stankovićeva 4, Pula 52100 , P.O. BOX 99 • Croatia • Tel / Fax: +385 52 543 596 • E - mail