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1921
completion of the grammar school in Prešov
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1921 – 1924
Ferenc Liszt Academy in Budapest (piano – István Thomán, conducting – Emil Ábrányi, composing – Leó Weiner, Zoltán Kodály)
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1925 – 1933
active as conductor, working in several places both in Czechoslovakia and abroad
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1933 – 1945
teacher, later headmaster of the Music School in Prešov
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1945 – 1955
officer, later head of the music department, finally conductor of the radio in Košice
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1955 – 1962
director of the Conservatory in Bratislava
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1962 – 1967
head of the Slovak Music Fund board
"Vilec's works are distinguished by a well-balanced formal structure of the whole, thinking the construction right through, and also a transparency and unified style of harmonic expression and a pregnant musical thinking. The harmonic aspect has an impressionistic character, and the melody is reminiscent of neo-romantic procedures."
(LABORECKÝ, Jozef: Michal Vilec. In: A Hundred Slovak Composers. Eds. Marián Jurík, Peter Zagar. Bratislava : National Music Centre Slovakia, 1998, p. 284.)