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1979 – 1984
studied composition (Juraj Pospíšil), conducting (Václav Daněk) and piano (Juraj Mašinda) at the Bratislava Conservatory
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1983 – 1988
continued his studies of conducting at the Academy of Performing Arts in Bratislava (Ladislav Slovák)
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since 1990
in Paris, where he initially studied electro-acoustic music at the Conservatoire National de Région de Boulogne-Billancourt (electroacustic composition – Michel Zbar)
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1991 – 1993
Royal Conservatory in Haag (composition – Luis Andriessen)
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1992
studied composition at the Conservatoire Supérieur in Paris
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1998
studied ethnomusicology at the Université Paris VIII
“Baán was initially an author of rearranged scores for modern big band. Baán transferred the profound rhythmical element of big band music to his further development. The mainstay in his compositions is rhythm presenting itself as a stable pulse (Three Pages From My Atlas), or as an important motivic element. As counterbalance to the rhythm component is Baán's concern for the sound world of brass instruments and saxophones. In orchestral compositions, two of which are composed only for wind instruments,there appears a sound thumb sketch, in addition to the typical resolved areas. These represent a dialogic game of instrumental groups, all playing in extreme positions of instruments and multiphonics.”
(ZAGAR, Peter: Jozef Baán. In: 100 slovenských skladateľov. Ed. Marián Jurík, Peter Zagar. Bratislava: Národné hudobné centrum, 1998, p. 23.)