-
1952 – 1962
Music school in Košice, studying the piano
-
1962 – 1967
Košice Conservatory, studying piano and double bass
-
1963
founded the Ján Hajnal Trio (accompanied by Viktor Hidvéghy – double bass, and Jozef "Dodo" Šošoka – drums), in which he still performs, with different musicians
-
1964 – 1966
The Jazz Quartet at the Košice Conservatory
-
1966
finalist in a competition of young jazz musicians in Vienna
-
1967 – 1969
leader of a military band
-
1967
performed at the Czechoslovak Amateur Jazz Festival in Přerov, the International Jazz Festival in Prague, and a festival of amateur groups in Salgotarján (Hungary)
-
1973 – 1979
member of the Tatra Singers
-
1977 – 1983
member of the Slovak Jazz Quintet, with which he appeared regularly at the Bratislava Jazz Days, at the Aquarium Club in Warsaw (Poland), and other venues
-
1980 – 1983
member of the Czechoslovak Radio Dance Orchestra in Bratislava, for which he arranged and conducted his own compositions
-
since 1983
worked as a solo pianist abroad
-
1985
member of Pavol Kozma's Esprit, with which he played at the Bratislava Jazz Days in 1985 and 1992
-
1985 – 1987
pianist and arranger for the Television Orchestra
-
1987
performed as a part of the Ján Hajnal Quintet at Bratislava Jazz Days' Slovak Jazz Review
-
1988 – 1993
occasional guest performances with Pavol Kozma's Esprit
-
1990 – 1994
composed for Radio Bratislava's Big Band
-
since 1993
member of Jozef "Dodo" Šošoka's All Stars Trio (Slovak Cultural Days in Budapest 1995, Woodstock Budapest 1994, Slovak Jazz Review 1994)
-
1995
occasional performances (in duos with Gabo Jonáš and his wife Ria Hajnalová, and in trios with the trumpeter Ľubor Priehradník, amongst others)
-
2002
appeared with the Trio at the Košice Jazz Festival
-
2003 – 2004
member of the Tatra Quintet (Juraj Bartoš – trumpet, clarion; Milo Suchomel – tenor saxophone; Ján Hajnal – piano, leader; Peter Čudek – double bass; Peter Solárik – drums; Ria Hajnalová – vocals)
-
since 2003
a focus on solo jazz piano
-
2003
played solo piano at the International Jazz Festival in Prague
-
2004
a jazz recital at the Bratislava Music Festival
-
2005
member of the Classical & Jazz Art Duo with Prof. Miloš Jurkovič (flute) in a programme entitled Bach & Jazz, which played for Slovak Radio in Bratislava, at Bratislava Castle, the Přerov Jazz Festival, and the Trenčín Musical Autumn, amongst other events the present currently works with the American drummer, Bobby Durham, in Switzerland, and with the Austrian musicians Georg Breinschmid (bass guitar) and Christian Sallfelner (drums); plays concerts solo (at venues such as Leighton House in London) and as part of a duo (the Classical & Jazz Art Duo); he is also greatly interested in the theme of classical music played in jazz style (Beethoven, Mozart, Tchaikovsky, Bach, Suchoň, Cikker, Zeljenka, and Alexander Moyzes).