Song of the Viking Guest (bass aria)
Nicolai Ghiaurov made this recoring in 1962. It comes from Rimsky-Korsakov's opera Sadko and is sung in Russian. (Right click on link and then "save target as" [in Internet Explorer] to save the MP3 for free.)
(32kbps / 3:02 min. / 713kb)
Two Nicolai Ghiaurov duets with Piero Cappuccilli can be found on the Cappuccilli sounds page.