Boris Godunov (opera) most part hostile. Some critics dismissed the work as "chaotic" and "a cacophony". Even his friends Mily Balakirev and César Cui, leading members of the Mighty Handful, minimized his accomplishment. Unable to overlook Mussorgsky's "trespasses against the conventional musical grammar of the time", they failed to recognize the giant step forward in musical and dramatic expression that "Boris Godunov" represented. Cui betrayed Mussorgsky in a notoriously scathing review of the premiere performance: Although he found much to admire, particularly the Inn Scene and the Song of the Parrot, he reproved the composer for a poorly constructed libretto, finding the opera
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.