Listen to Boris Godunov, Act IV Scene 3: "Proshchay, moy syn" online. Boris Godunov, Act IV Scene 3: "Proshchay, moy syn" is a Russian language song and is sung by Evgeny Nesterenko, Fuat Mansurov, Bolshoi Theatre Orchestra, Mark Ermler and Bolshoi Theatre Orchestra. Boris Godunov, Act IV Scene 3: "Proshchay, moy syn", from the album Mussorgsky: Boris Godunov, was released in the year 1985. The duration of the song is 4:39. Download Russian songs online from JioSaavn.