Maɓallai masu daidaitawa |

Maɓallai masu layi daya - a cikin tsarin diatonic na manya da ƙanana, maɓallan maɓalli na kishiyar kishiyar, suna da nau'i ɗaya na babban. matakai (alamomi iri ɗaya a maɓalli); tonic triads na P.t. sun hada da na gama gari na uku. Abubuwan t. suna cikin mafi kusancin dangantaka da juna. Dangane da gama-gari na abun da ke ciki na gradation, P. t. ana iya haɗawa zuwa yanayin daidaitacce-mai canzawa (duba Yanayin Sauyawa). Ci gaban jituwa a cikin bene na 2. Ƙarni na 19 da 20 sun faɗaɗa tsarin haɗin tonal bisa ka'idar P. t. Emancipation na musamman diatonic. frets (Dorian, Phrygian, da dai sauransu) ya jagoranci wasu masu bincike suyi la'akari da P.t. C Ionian da e Phrygian, C Ionian da d Dorian. Yin nazarin hanyoyin DD Shostakovich tare da matakan saukarwa, Dolzhansky yana gani (a cikin sonata na 2nd piano) dangantakar P.t. tsakanin h-moll (tare da saukar da matakan II, IV da VIII:

da Es-dur (tare da manyan matakai na II da IV:

duk da haka, irin waɗannan haɗin gwiwar sirri ne, na ɗaiɗaikun mutane. hali. Matsakaicin P.t. a cikin hadaddiyar manyan-kanana da chromatic. tsarin ya zama mafi rikitarwa. Don haka, zuwa ga sunan C-dur-moll P.t. za a sami duka a-moll (ko A-dur-moll) da Es-dur (bi da bi, Es-dur-moll). Saboda haka da hali zuwa samuwar low-thermal sarkar tsarin na juyayi t.

References: Dolzhansky AN, A kan modal tushen abubuwan da Shostakovich ya yi, "SM", 1947, No 4, a cikin tarin: Features na D. Shostakovich's style, M., 1962; Sposobin IV, Ka'idar Elementary na kiɗa, M. - L., 1951, 1973; Kholopova VN, A kan ka'idar Erno Lendvai, a cikin: Matsalolin Kimiyyar Kiɗa, vol. 1, M., 1972; Lendvai E., Einführung in die Formen- und Harmonienwelt Bartuk, a cikin: Béla Bartuk. Weg und Aiki. Schriften und Briefe, Bdpst, 1957.

Yu. H. Kholopov