3. 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 9. 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 Arias de ÓperaJonathan Tetelman, Önay Köse, PKF – Prague Philharmonia y más