Оригинал: Rush, Toby W.. Music Theory for Musicians and Normal People. Rush, Toby W.. Music theory. Rush, Toby W. Publisher. English Copyright.
Превод: Rush, Тоби W.. Rush, Тоби W.. Rush, Toby W. Langage. Creative Commons BY-NC-ND license. Анотирате този лист музика Ниво на умения.