Nidaam hoosaadka |

Nidaam hoosaad ("subsystem") - unug ladotonal ah oo ku wareegsan, taas oo qayb ka ah tonity sida nidaamka guud. Waxaa lagu gartaa muujinta hawlaha tonal-ka maxalliga ah (fiiri hawlaha kala duwan) ee diatonic. isku xirka (tusaale ahaan, wareejinta weyn ee VI - II, oo la mid ah D - T) ama chromatic. (tusaale ahaan, wareejinta VI – II sida leexinta heerka II). Tusaalooyinka S. waa qaybo ka mid ah chorus "Glory to the Red Sun" ee opera "Prince Igor" ee Borodin, baararka 3-4 (diatonic. S.), mawduuca ugu muhiimsan ee qaybta 2aad ee Rachmaninov's "Symphonic Dances" , bar 2 (chromatic. C .). Erayga "S." soo jeediyay IV Sposobin.

Tixraacyo: Sposobin IV, Muxaadarooyin ku saabsan koorsada wada noolaanshaha, M., 1969.

Yu. N. Kholopov