In a piano piece by this composer, increasing rhythmic divisions build into a rapid quintuplet ostinato to depict a chase. That piece by this composer opens with ultra-low clusters imitating “Drums and Pipes.” The last seventeen measures of this composer’s third piano concerto were finished along with his viola concerto by his student Tibor Serly. This composer’s slow movements often employ atmospheric imitations of natural sound in a (*) “night music” style. An (10[1])“interrupted intermezzo” appears in a piece by this composer whose second movement assigns different intervals to pairs of instruments. (10[1])This “father of ethnomusicology” (10[1])used an Edison machine to collect field recordings with his compatriot Zoltán Kodály. (10[1])For 10 points, name this Hungarian composer (-5[1])of a Concerto (-5[1])for Orchestra. (10[1])■END■ (0[1])