Armenian Work Songs called 'Horovel' are considered to be the most complex type of songs among Armenian traditional(ethnic) songs. Here's one from the finest and hardest Horovels-LORU GUTANERG:Plough Song from Lori. It was recorded in Vardablur village (Lori, Armenia) in 1901 by Father Komitas.
Ps.
God knows for how long Armenians have sung this while working the earth in their homeland: the Armenian Highland...