Listen free to Mahasti – 40 Mahasti Golden Songs, Vol. 1 - Persian Music ( Bastare Gham, Dele Mennat Kesh and more). 39 tracks (). Discover more music, concerts, videos, and pictures with the largest catalogue online at Eftekhar Dadehbala (Persian: افتخار ددهبالا ), better known as Mahasti (Persian: مهستی , 16 November – 25 June ), was an Iranian singer. She was the younger sister of singer Hayedeh. Contents. [hide]. 1 Background; 2 Career; 3 Personal life; 4 Death; 5 Discography. Albums; Singles. 6 See also; 7.