Task: Text Categorization
Input (English): His Four Studies in Rhythm include two pieces entitled "Island of Fire," and also contains a piece sometimes considered the first work of total serialism, Mode de valeurs et d'intensits. His keyboard works include the Livre du Saint-Sacrament for solo organ, as well as a piece that contains such movements as Premiere communion de la Vierge. That work is a suite written for his wife Yvonne Loriod entitled Vingt regards sur l'enfant Jsus. He is best known for a work in eight movements which begins with the "Liturgy of Crystal" and was composed while he was a prisoner of the Nazis in World War II. FTP, name this 20th-century French composer of the Quartet for the End of Time.
Output (English): Fine Arts