album_presenter.description.discover album_name=Stars of the Bulgarian Operetta, artist_name=Yossifov, Vulchev, Hadjiev a.o., records_count=1, countries_count=1, countries=Bulgaria, media=Double LP, year_range=album_presenter.description.releases album_name=Stars of the Bulgarian Operetta, artist_name=Yossifov, Vulchev, Hadjiev a.o., records_count=1, countries_count=1, countries=Bulgaria, media=Double LP, year_range=album_presenter.description.countries album_name=Stars of the Bulgarian Operetta, artist_name=Yossifov, Vulchev, Hadjiev a.o., records_count=1, countries_count=1, countries=Bulgaria, media=Double LP, year_range=album_presenter.description.media album_name=Stars of the Bulgarian Operetta, artist_name=Yossifov, Vulchev, Hadjiev a.o., records_count=1, countries_count=1, countries=Bulgaria, media=Double LP, year_range=