Harmonic gradations in the third movement of the String Quartet n. 2 by György Ligeti : the reevaluated concept of micropolyphony. Per musi [Internet]. 2022 Sep. 15 [cited 2025 Oct. 6];(42):1-26. Available from: https://periodicos-hml.cecom.ufmg.br/index.php/permusi/article/view/37400