• 1964 – 1969

    Conservatory in Bratislava, accordion and guitar, winner of scholarships for the Graz jazz school (AT, 1969) and Berklee College of Music Boston (USA, 1973) – did not take up studies for personal reasons

  • 1969

    member of the Tatra Revue Orchestra

  • 1972 – 1973

    stay in New York, appearances in local jazz clubs with various jazzmen (Attila Zoller, Kenny Dorham, Babs Gonsales, Albert Heath, Sam Jones, Joe Newman etc.)

  • 1974

    member of Bratislava rock band Gattch; jazz festival in Lublin

  • 1974 – 1975

    series of successful performances in Poland

  • 1975

    festivals: Jazz Jantar ‘75 (Gdansk, PL); jazz pianists meeting in Kalisz (PL); Czechoslovak amateur jazz festival in Kroměříž (winner of the “best soloist” title), cooperation: Jiří Stivín, Karel Velebný, Luboš Andršt, Emil Viklický, Svatopluk Košvanec etc.

  • 1977 – 1978

    leader of the Jonáš – Brisuda – Döme Trio

  • 1979

    member of Vlado Valovič’s VV Systém

  • 1980

    Bratislava Music Festival (with Emil Viklický)

  • 1983

    member of the band Esprit

  • 1985

    Bratislava Music Festival (with L. A. Barrero Perao – percussion, Cuba)

  • 1986

    member of Dušan Húščava’s Quintet

  • 1990 – 1993

    cooperation: Matúš Jakabčic, Juraj Bartoš, Robert Balzar (CZ)

  • 1991

    Ladislav Martoník prize for jazz performance

  • 1992 – 1993

    duo with Giovanni Mirabassi (clarinet, IT)

  • 1994

    duo with Jana Kocianová (vocals)

  • 1995

    duo with Ján Hajnal (piano); Košice Spring Musical Festival

  • 1997

    successful appearances in Prague (Antonín Gondolán, Roman Pokorný, Karel Růžička –David etc.)

  • 1995

    member of the Matúš Jakabčic Tentet (Bratislava Jazz Days‘95; Bratislava Music Festival ’96; jazz festival in Přerov ’97; Bratislava’s Days of Europe ’98 etc.)

  • 1998

    member of a jazz quartet (Gabo Jonáš, Matúš Jakabčic, Juraj Kalász, Cyril Zeleňák)

  • 1999

    establishment of Gabo Jonáš Quartet, composing and arranging own themes for them

  • since 2002

    duo with Peter Cardarelli (tenor saxophone, USA)

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