Classic 100 Twentieth Century included composers from American, British, French, Hungarian, Australian, Polish, Armenian, Austro-Hungarian, Italian, Estonian, Argentine, Spanish, Finnish, Russian, Austrian, and German countries.
American Adams, John British Addinsell, Richard French Canteloube, Joseph Hungarian Bartok, Bela Australian Edwards, Ross Polish Gorecki, Henryk Armenian Khachaturian, Aram Austro-Hungarian Korngold, Erich Wolfgang Italian Morricone, Ennio Estonian Part, Arvo Argentine Ramirez, Ariel Spanish Rodrigo, Joaquin Finnish Sibelius, Jean Russian Shostakovich, Dmitri Austrian Schoenberg, Arnold German Strauss, Richard 
