Katyusha Maslova
... that while Dmitri Shostakovich composed his opera Katyusha Maslova, Sergei Prokofiev was also contemplating an opera based on the same subject?
... that while <a href="./Dmitri_Shostakovich" id="mwAWU" rel="mw:WikiLink" title="Dmitri Shostakovich">Dmitri Shostakovich</a> composed his opera <i id="mwAWY"><b id="mwAWc"><a href="./Katyusha_Maslova" id="mwAWg" rel="mw:WikiLink" title="Katyusha Maslova">Katyusha Maslova</a></b></i>, <a href="./Sergei_Prokofiev" id="mwAWk" rel="mw:WikiLink" title="Sergei Prokofiev">Sergei Prokofiev</a> was also contemplating an opera based on the same subject?