Scandal (1931), Music for a Scene from Shelley (1933), Adagio for Strings (1938); (First) Symphony in One Movement (1936), (First) Essay for Orchestra (1937) and Violin Concerto (1939), Barber garnered performances by the world's leading conductors — Eugene Ormandy , Dimitri Mitropoulos , Bruno Walter , Charles Münch , George Szell ,