People seems to have more time to do other things at home, so why not listen to alternative music, so here will be two less known groups that may broaden your music spectrum.
Toorama is a group from Saransk in Mordovia lead by Valdimir Romashkin to his death in 2002. They sing in Russian and Erzyan and their songs has a root in Mordvin traditions and songs.
Sattuma is a Carelian band from Äänislinna (Petroskoi), this family band do sing both traditional and own songs in folk style in Carelian, Finnsish and Russian.
If you are a spotify user, take your time and listen to their songs and hopefully enough listens to the songs, so that they will get a small income from spotify so they can keep their traditions alive.