Task: Text Categorization
Input (English): Elliott Antokoletz argues that a certain treaty inspired this composer's "expansion in range" technique in his third string quartet, which begins with sections called "prima parte" and "seconda parte" and introduced his namesake pizzicato. He wrote a work based on a colinda in which nine sons are turned into stags, while another piece opens with a group of "Unison Melodies" and ends with six pieces dedicated to Harriet Cohen. This composer of Cantata Profana wrote a work parodying Shostakovich's "invasion" theme in the "intermezzo interrotto" fourth movement and wrote a collection of 153 instructional piano pieces titled Mikrokosmos. He wrote an opera ending when Judith opens the seventh door of the title location to uncover the three former wives of her husband. For 10 points, name this composer of Concerto for Orchestra and Duke Bluebeard's Castle who collected Hungarian folk songs.
Output (English): Fine Arts