This most interesting discussion drifted very far from the original subject, but I still decided to inform you that baritone Rauno Keltanen worked as soloist in the National Opera of Finland until 1970's. Since 1979 he was based in Joensuu, a small town in Eastern Finland, where he made a long teaching career in the local Conservatory alongside of his solo performances.
Rauno Keltanen published on his own label called "Vorna LP" a series of five albums of Finnish folk songs in 1985. The publishing of the albums coincided with the fast process of digitalization of music and since he only published the albums as vinyls, they didn't get very wide distribution nor the appreciation they should have had by the quality of his work. Nowadays his albums are true collector items since the the number of copies was quite limited.
"Soi maailma säveleitä", "Sinun silmäs ja minun silmät" and "Mieleni minun tekevi", consists of traditional Carelian folk songs. My personal favorite is the last one "Mieleni minun tekevi" where he is accompanied by the brilliant Finnish zither player Ritva Koistinen. "Anna luoja, suo Jumala" consists of old Finnish hymns, and "Hän suuri on ihmeellinen" consists of spiritual Finnish folk songs.
Soi maailma säveleitä - Rauno Keltanen (voc), Marita Viitasalo-Pohjonen (piano)
Sinun silmäs ja minun silmät - Rauno Keltanen (voc), Ralf Gothóni (piano)
Anna luoja suo jumala - Rauno Keltanen (voc), Erkki Tuppurainen (organ)
Hän suuri on ihmeellinen - Rauno Keltanen (voc), Erkki Tuppurainen (organ)
Mieleni minun tekevi - Rauno Keltanen (voc), Ritva Koistinen (kantele = Finnish zither)
In case you are interested to hear some of Rauno Keltanen's music, there is a music shop in Finland called "Digelius" (that someone referred to on the discussion board earlier) that can easily provide you with his albums.
http://www.digelius.com/en_index.html They have all Rauno Keltanen's albums on stock (not expensive, I seem to remember the price per album was something like 10-15 USD). Digelius makes deliveries all the time abroad, so in case you want to hear more of Rauno Keltanen's brilliant singing, you can place your order at their e-mail: info (a) digelius.com