original_query: Who were the key influences on the serialist works of the 1950s and 1960s?
query: Who were the key influences on Henryk Górecki's serialist works of the 1950s and 1960s?
answer: Key influences on Górecki's serialist works included Anton Webern, Luigi Nono, Karlheinz Stockhausen, Krzysztof Penderecki, and Kazimierz Serocki.