A wonderful NY Times Magazine article about folk music in Greece, with photos and audio . . . .
Every year . . . the people of Epirus hold panegyria, multiday, music-intensive events in which they mourn their losses and celebrate what remains. Panegyria are religious festivals, in that they are tied to the patron saint of a village church and are held on a day dedicated to honoring the life of that saint, as determined by the Greek Orthodox calendar.