 Sergei Prokofiev, Nikolai Miaskovsky, Aram Khachaturian and Shostakovich each composed war symphonies.Chamber music, a genre that had fallen out of favor in the previous decade, was also revitalized.Wartime music aimed to boost Soviet morale both at home and on the battlefront, and it was successful, especially as the Soviet army began to gain momentum against the Nazis in 1942.