Song is called "Barbu Lautarul" an old Romanian folk song. here's another interpretation ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2e-6Y1J2dOI.html. The song is a mashup with a jewish song that I don't recognize. Maybe our jewish friends can fill in the song at 3:28