Lovely song...and the Pakistani version is also very nice although there is a difference in lyrics but is still very nice.....love For Farsi speaking Tajikistan, Iran, Pakistan, Afghan and others.....said Paksitan because it has the second largest population of hazara who speak farsi and those Afghans which are mixed Pakistani and Afghani.........
This style of Afghanian Tajiks. Your Iranian Khorasan style is very close to North Tajik style - Bukhara, Samarkand and Hujand. You can compare the song of Iranian RASTAK group "Liela from Khorasan" and the Tajik songs from this cities. It's not surprising. It's an heritage of Samanid empire. Samarkand, Bukhara, Herat, Tus and Nishapur were brothers. But I think you now that.
@TheDirtyPaki. Truly it is very difficult to say where it was originated, but for sure it is Khorasani song, it could be Tajikistan and Afghanistan or north- west of Iran. Bina Sima folk singer from Iran also performed this song long time ago, I used to hear this song while Tajikistan was part of Soviet Union.I fogot the name of the singer who sand this song. But for sure it was around late 70 th and biginning of 80 th.