Ethnic Russian music specifically deals with the folk music traditions of the ethnic Russian people

Russians

The Russian people are an East Slavic ethnic group native to Russia, speaking the Russian language and primarily living in Russia and neighboring countries....

. It does not include the various forms of art music, which in Russia often contains folk melodies and folk elements or music of aother ethnic groups living in Russia.
The roots of Russian folk music can be dated as far back as to the first millennium AD, when Slavic tribes first settled in the European part of what is presently Russia.