Columbia subject headings:
Harvard subject headings:
Music--Russia (Federation)--Oka River Region (Kurskai︠a︡ oblastʹ-Gorʹkovskai︠a︡ oblastʹ)--History and criticism.
Princeton subject headings:
Music--Russia (Federation)--Oka River (Kurskai︠a︡ oblastʹ-Nizhegorodskai︠a︡ oblastʹ).