Boris Godunov (opera) the repertory due to difficulty in appreciating his raw and uncompromising idiom. Therefore, Rimsky-Korsakov was justified in making improvements to keep the work alive and increase the public's awareness of Mussorgsky's melodic and dramatic genius. The Rimsky-Korsakov version remained the one usually performed in Russia, even after Mussorgsky's earthier original (1872) gained a place in Western opera houses. The Bolshoy Theatre has only recently embraced the composer's own version. Dmitriy Shostakovich worked on "Boris Godunov" in 1939–1940 on a commission from the Bolshoy Theatre for a new production of the opera. A conflation of the 1869 and 1872 versions had
Wozzeck on the compositional direction of "Wozzeck". In a letter to his wife written in June 1918, he wrote, "There is a little bit of me in his character, since I have been spending these war years just as dependent on people I hate, have been in chains, sick, captive, resigned, in fact, humiliated." His correspondence and notebooks dating from the war years reveal a painful obsession with completing "Wozzeck". Compositional sketches and notes for both Wozzeck and the "" of Three Pieces for Orchestra that Berg made during the war are strewn with disjointed fragments of military ordinances and terminology.