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1959 – 1965
Bratislava Conservatory, studying clarinet
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1961 – 1969
member of the group Traditional Club
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1963 – 1971
member of the Revival Jazz Band
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from 1970
soloist, composer, and arranger for the Czechoslovak Radio Dance Orchestra
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1971 – 1975
member of the Nový tradicionál (New Traditional) formation
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from 1974
member of Vlado Valovič’s VV Systém
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1970s
guest performances for the Gustav Brom Orchestra, Brno (a permanent member since 1985); member of the Ladislav Gerhardt Quartet and the Slovak Jazz Quintet (later known as the Jozef “Dodo” Šošoka All Stars Band)
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1986
establishment of the Dušan Húščava Quintet (Gabo Jonáš – piano, Gabriela Šusteková-Húščavová – vocals, Matúš Jakabčic – guitar, Karol Ondreička – guitar, Jozef Brisuda – double bass, Jozef Döme – drums)
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1986
performed as part of the Bratislava Jazz Days (with VV Systém)
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1987
Bratislava Jazz Days ’87 (Esprit Band)
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from 1988
member of the Czechoslovak Jazz Quartet (Petr Kořínek – double bass, Svatopluk Košvanec – trombone, Jozef “Dodo” Šošoka – drums)
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1988, 1994
Bratislava Jazz Days (Dušan Húščava Quintet)
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1984
International Jazz Festival in Prague (Esprit Band)
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1987
a performance in Algeria (Dušan Húščava Quintet)
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1990
Cultural Days in Dortmund (Dušan Húščava Quintet)
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1991
received the Ladislav Martoník Award – Jazz Performer of the Year
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1993
a tour with the Ray Charles Orchestra in Holland and Germany
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from 1995
lecturer at the Bratislava Conservatory (saxophone)
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1997
a concert of students at Zichyho palác (Bratislava) entitled Saxophone Soirée (Pavol Ruček – tenor saxophone, Erik Rothenstein – baritone saxophone, Vladimír Valentovič – alto saxophone, J. Baláž – alto saxophone)