Dudás established his first rock band "Snark" as a drummer being a seventh grader at his elementary school in 1970, in Berettyóujfalu, where later as a high school student he already performed at dance balls with his bands. He founded "Cannon" (later renamed "Codex") in 1974. In 1976-79, as a math student of the Lajos Kossuth University of Arts and Sciences of Debrecen, he played together with ex-"UV" keyboardist Székelyhidi László (who was already a University teacher) who switched to bass guitar in the bands named "Gnom" and "Hidi and his gang". Székelyhidi also joined Android in 1980 as a bass guitarist. Dudás was the guitarist of "Android" in 1980-1984. Later he also played together with Tőzsér József and Mező-replacing Pataji Géza in "1001" and "Camera 06". In 1983-84 he plays in "Rubin", sometimes also in bass guitar. In 1985-92 he performed at the university club regularly with "Hidi and his gang" in John Lennon memorial evenings, as well as in Beatles and heavy metal concerts in the Kossuth dormitories. In 1986-93 he played jazz-rock in "Pókháló". In 1988-92 he is the member of "Morged" and "Tűzlabda", playing own music as well as classical hard rock (Deep Purple, Led Zeppelin, etc.) respectively. In 1992 he changes position with Lámer Emil, and became the guitarist of "Hangfogó". He plays with this band regularly till 2005 in Hangfogó Club as well as in various children music programs and theater performings. He plays again in "Kodex" since 2005, and also a member of the "Sütő Band".