Hiva Ranjbar Def Monday Born: Kurdistan, Sanandaj Researcher of Iranian ethnic music activities: Author of the book My Heart and Daf Conductor of Hijan Orchestra (one of the largest ethnic music orchestras in Iran) Holding training workshops and master classes in different regions of Iran Conducted several concerts of the orchestra in September 1997, May 1998 and February 1999 in Tehran Vahdat Hall and September 1997 in the Hall of the Ministry of Energy and… Judging of percussion and regional music sections in the 5th Tehran Fajr Avae Music Festival Collaboration and performance of the concert with Rasoul Najafian, Professor Morteza Ghaznavi, Professor Faraj Alipour and other singers and musicians from different parts of Iran. Interviews and press conferences with Fars News Agency, our music, Iranian music, Iran newspaper, Sada-e Mellat newspaper, Hamshahri newspaper, etc. Attending and gaining rank in international and national festivals including Nawa Rahmat, young music, Fajr Festival, Siraj, Zagros Festival of Iran and… Teaching in Tehran music schools including Hamraz, Bell, Shahin, Avae Tekin and Rhythm Ava schools as well as Gam music school in Karaj Cooperation with domestic media: Channel 5, Channel 1, Kurdistan Provincial Network and Lorestan Provincial Network As well as foreign media: Rudaw and Kurdsat. Educational lesson plan for daf instrument according to rhythm and world rules. Educational lesson plan for patients with autism and Down syndrome and mental retardation.