One of my favorites is Djivan Gasparyan's CD "Moon Shines at Night". Even the songs with happy titles, like "Lovely Spring", are sad. And "7th December 1988" brings tears to my eyes.
The songs are very simple - only duduk and damkash, with occasional male vocals. The power of these songs comes not from fancy technique or intricate arrangments, but from deep emotions that seem to come straight from the soul. One of Djivan Gasparyan's finest.