In heterophonic variant, two performers perform a single melody simultaneously and change it. Performing and changing a single melody simultaneously by two performers leads to the coincidence of different voices.

Maestro Hassan Nahid is one of the most prominent and distinctive artists who values high morals, discipline and hard work. His music activities include playing the Ney as both soloist and an accompaniment in the most important Iranian music orchestras and ensembles during the last fifty years, including the Orchestra of Iranian Instruments (Nusratullah Golpayegani), the Orchestra of National Instrumentalists of the Ministry of Culture and Arts (Payvar Orchestra), the Orchestra of Iranian Instruments (Morteza Hananeh) , Darvish Orchestra, Samaie Orchestra, Roudaki Orchestra, Maestros’ Ensemble, Aref Ensemble, as well as performances in various radio programs, many concerts in different countries, as well as a long teaching experience in the National Conservatory of Music, music universities and other music institutions to name but a few.

While the name “Persia” (Western historical name of Iran) has attracted tens of thousands of people from around the world to London’s British Museum to visit ancient Persian artifacts, the Nuremberg-based music company, Colosseum, invites Europeans to listen to eight masterpieces of Persian symphonic music.

Finding a way to harmonize the Iranian music has been the subject of controversy among Iranian musicians for a long time. Some believe in the creation of harmonies for Iranian music based on a method which is similar to the tierce harmony; while others have either selected or invented some other methods. There are also some musicians who do not basically agree with the harmonization of the Iranian music.

Violin players should always pay attention to the proper position of the left thumb and other points related to it and to its joining point to the palm.

Persian Set: Four Movements for chamber orchestra: Moderato; Allegretto; Lento; Rondo

Henry Cowell, one of the most innovative American composers of the 20th century, was born in 1897. Cowell and his wife visited Iran in 1956 and stayed there the whole winter, upon the invitation by the Iranian Royal Family, when he composed his album “Persian Set” in four movements for chamber orchestra. His composition is expressive of the characteristic quality of the Persian or the Iranian music.

A part of the secrets of the masterpieces from the golden era lies in the special design of the instruments, as a result of a profound insight to and awareness of the significance of the precise calculation of the various components of the object of arts being created, such as making a violin or a bow.

Music education in third-world countries is facing many problems that limit access to it and it’s full of challenges. These rising and falling obstacles are made of the socioeconomic, cultural educational systems, etc.

The perspective that denies any alteration or innovation beneath the realm of Iranian music, and more broadly, the performance and even the structure of Iranian music instruments, stems from the discourse of “tradition-oriented”* and the “return to self” movement in Iranian music. Given that some educators still adhere to this discourse and emphasize the necessity of preserving tradition, a perception is formed among art students that Iranian music, including Radif, lacks dynamism and is confined within a rigid framework.

In response, it should be said that it is better for the national anthem of a country to use the musical material exclusive to that country; however, some problems might come up in doing so the most important of which include: lack of familiarity of other countries’ music performer with the concerned country’s specific music intervals and special musical technique; and secondly, the strangeness of that music to the foreign listener.