authentic
131Gregorian chant — is the central tradition of Western plainchant, a form of monophonic liturgical chant of Western Christianity that accompanied the celebration of Mass and other ritual services. This vast repertory of chants is the oldest music known as it is the …
132Ethnic Russian music — Russian music specifically deals with the folk music traditions of the ethnic Russian people. It does not include art music, which in Russia often contains folk melodies and folk elements.Ethnic stylesThe performance and promulgation of ethnic… …
