2 asemanari:
-nu au nicio armura
-au material sonor asemanator
2 deosebiri:
-intervalele caracteristice: - in Do major terta (1-3), sexta (1-6) si septima (1-7) sunt mari
iar in la minor intervalele caracteristici terta (1-3), sexta (1-6) si septima (1-7) sunt mici
-semitonurile in Do major se afla intre treptele 3-4, 7-8 iar in la minor intre treptele 2-3, 5-6