album_presenter.description.discover album_name=Pirin Mountains Folksongs, artist_name=Sisters Grouevi, records_count=1, countries_count=1, countries=Bulgaria, media=LP, year_range=1978album_presenter.description.releases album_name=Pirin Mountains Folksongs, artist_name=Sisters Grouevi, records_count=1, countries_count=1, countries=Bulgaria, media=LP, year_range=1978album_presenter.description.countries album_name=Pirin Mountains Folksongs, artist_name=Sisters Grouevi, records_count=1, countries_count=1, countries=Bulgaria, media=LP, year_range=1978album_presenter.description.media album_name=Pirin Mountains Folksongs, artist_name=Sisters Grouevi, records_count=1, countries_count=1, countries=Bulgaria, media=LP, year_range=1978