Stream music and podcasts FREE on Amazon Music. No credit card required.Listen free 2. Madama Butterfly, Act II, Part IRaina Kabaivanska, Nikolay Stoilov, Alexandrina Milcheva, Nelson Portella, Verter Vrachovski, Sofia Philharmonic Orchestra, Kosta Dinkov, Bulgarian National Choir Svetoslav Obretenov, Roumen Doikov & Gabriele Bellini 8. Madama Butterfly, Act I, Part IIRaina Kabaivanska, Kosta Dinkov, Roumen Doikov, Nikolay Stoilov, Alexandrina Milcheva, Nazareno Antinori, Nelson Portella, Bulgarian National Choir Svetoslav Obretenov, Sofia Philharmonic Orchestra & Gabriele Bellini