“Maestro Shajarian was a great & true Ambassador of Iran, her children and—most of all—her culture,” Mohammad Javad Zarif wrote on his Twitter account, adding, “I extend my deepest condolences to Iranians across the world and partcularly to his loved ones.
"From God we come and to Him we return."
The acclaimed vocalist who turned 80 earlier this month, has been admitted to and later discharged from the ICU of Jam Hospital in Tehran several times since February when he was hospitalized first due to recurrence of lung disorders caused by heart disease.
The iconic vocalist was also known for his skills in Persian calligraphy, and humanitarian activities.
Shajarian started his singing career in 1959 at Radio Khorasan, rising to prominence in the 1960s with his distinct style of singing.
He was recognized as skilled singer in the challenging traditional Dastgah style. In 1999, UNESCO in France presented him with the Picasso Award and in 2006 with the UNESCO Mozart Medal. In 2017, Los Angeles Times cited him as the "Greatest living maestro of Persian classical music".