Korchev, O. 2022. “Grave: Metamorfozy Na Wiolonczelę I Fortepian” By Witold Lutoslavski: The Role Of Derivation In The Embodiment Of The Idea Of Metamorphosis. Scientific herald of Tchaikovsky National Music Academy of Ukraine. 134 (Nov. 2022), 125–138. DOI:https://doi.org/10.31318/2522-4190.2022.134.269627.