Participant or Performer: | Members of the Svetoslav Obretenov National Philharmonic Choir ; Nikolina Pankova, soprano ; Alexandrina Milcheva, mezzo-soprano ; Noi Nikolov, tenor ; Ivan Petrov-Iochan, Nicola Ghiuselev, bass ; M. Zabova-Petrova, bells ; Georgi Robev, conductor. |