Question: Magyar Etüdök, is a collection of three studies by which Hungarian composer of contemporary classical music, born in 1923 ?
Sentence (from "György Ligeti"): György Sándor Ligeti ( ; Hungarian: "Ligeti György Sándor" , ] ; 28 May 1923 – 12 June 2006) was a Hungarian composer of contemporary classical music.
Relevant evidence: Yes