Alberto ginastera's estancia suite uses a large orchestra and is in movements.

The answer is 4 movements.  Alberto Ginastera was conceived in Argentina. He is viewed as a standout amongst the most critical twentieth century established writers of the Americas. Ginastera learned at the Williams Conservatory in Buenos Aires, graduating in 1938. As a youthful teacher, he educated at the Liceo Militar General San Martín. After a visit to the United States in 1945– 47, where he considered with Aaron Copland at Tanglewood, he came back to Buenos Aires and helped to establish the League of Composers.

The answer is c establishing proper sleep hygiene