The Bulgarian vocalists Olga Vasileva and Petur Todorov (who is only about 12 or 13) sing the patriotic Bulgarian folk song from Pirin Macedonia (SW Bulgaria), "Pirin's Youth." The region of Pirin Macedonia witnessed ferocious fighting between Bulgarian soldiers and guerrillas and their Turkish enemies between 1878 and 1912. Greetings from an American descendant of Bulgarians from Aegean Macedonia and Pirot!