Mohammad Heydari is a Persian

Persian people

The Persian people are part of the Iranian peoples who speak the modern Persian language and closely akin Iranian dialects and languages. The origin of the ethnic Iranian/Persian peoples are traced to the Ancient Iranian peoples, who were part of the ancient Indo-Iranians and themselves part of...

 santur

Santur

The santur is a Persian hammered dulcimerIt is a trapezoid-shaped box often made of walnut or different exotic woods. The Persian classical santur has 72 strings. The name santur was first referenced in ancient Persian poetry...

 player and songwriter.

Career

He received santur lessons first from Hossein Saba and, after his death, from Abolhassan Saba. He also worked with Abdollah Davami and Haj Agha Mohammad Irani-Mojarrad.

In 1955, he played with Fine Arts Administrations Orchestra (conducted by Abolhassan Saba) in Tehran for one year and after that played with another ensemble in the administration that was led by Nosratollah Golpayegani. During this period he performed in Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

, Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 and the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

Heydari taught at the Persian National Music Conservatory in Tehran from 1961 until 1978, shortly before the revolution and his departure from Persia. Heydari also was the leader of Navazandegaan Ensemble and performed several programs on Tehran Radio and TV.

After the 1979 Iranian Revolution

Iranian Revolution

The Iranian Revolution refers to events involving the overthrow of Iran's monarchy under Shah Mohammad Reza Pahlavi and its replacement with an Islamic republic under Ayatollah Ruhollah Khomeini, the leader of the...

, Mohammad Heydari left the country for Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 and a few years later moved to Los Angeles

Los Ángeles

Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

, where he continued his activities as a soloist and songwriter. Some of his nostalgic songs such as "Zahr-e Jodai" and "Bahar Bahar" (both performed by Hayedeh

Hayedeh

Hayedeh born Ma'soumeh Dadehbala , was a Persian classical and Pop singer with a contralto vocal range. In a career spanning more than 20 years, she had many hits...

) became popular in the Persian community.