Two choirs alternatively perform Veŝ Tavaré Na avaz (Transcription 5). The second group starts the avaz before the first group finishes it; consequently, two different voices coincide (Transcription 5, staves 2 and 5).

With its simple physical structure and captivating sound, the Daf never belonged to a particular culture or location, and every nation had different usages for this instrument considering their dominant customs and traditions.

Regional music festivals are organized to, firstly, introduce the music of different regions and, secondly, to support its performers. Regional music festivals are held in large cities for various reasons, including the availability of financial and executive facilities and the presence of an audience. However, the organization of these festivals has always been one of the challenging issues of ethnomusicology. The reason is that the presence of regional music performers in large cities places them in a context other than the context they would normally perform in their homes; consequently this change in situation leads to changes in the quality of their performance.

Discussions and research have been conducted on the harmonization of “dastgah” and melodies in Iranian music, and several books have been published on this topic, including “Armenian Music of Iran” by Ali Naghi Vaziri, “Harmony of Iranian Music” by Farhad Fakhreddini, and “Harmony of Iranian Music” by Ali Ghamssari. A master’s thesis titled “Presenting a Solution for Harmonizing Based on the Structure of Tritone Intervals” was written by Atefeh EinAli in 2014. Additionally, the invention and use of “Even Harmony” by Morteza Hannaneh should be mentioned.

The album “Guitar Memories” consists of the performance of baroque to recent era masterpieces, by Mehrdad Mahdavi, and is published by Tanin-e Honar Publication.

In this album there are pieces composed and arranged by artists such as: Sylvius Leopold Weiss, Johann Anton Logy, Fernando Sor, Yuquijiro Yocoh, Leo Brouwer.

Gholam Reza Khan Minbashian, a.k.a Salar-Mo’azez, was a pioneer in several domains in the history of the Iranian music. He is recognized as the first Iranian musician who was educated in classical music. He is also the first Iranian the score of whose works were published in Europe. He is the first Iranian to have launched courses on Western classical music and was also the first Iranian teacher of classical music. Moreover, he is the first founder of a string orchestra in Iran, the first author of the Iranian Radif which was available in oral form. Minbashian is also the first Iranian who studied music in Europe.

Despite the fact that Iranian folk music (regional music of Iran), like the Radif of Iranian traditional music, is monophonic and follows heterophony in principal, we experience polyphonic forms, albeit, majorly unconscious.

Regarding the classification of a new instrument in an instrument family, one can point to a number of fundamental issues, one of the most obvious of which is the instrument’s visual features. If we look at how the new instrument has changed compared to its historical versions, the set of visual elements that link the instrument to the Qeychak family becomes apparent. But other characteristics such as the geometric dimensions of the instrument, characteristics of the instrument’s various parts and how they relate to each other, its systematic performance, its sound range (compared to modern versions), the material and color of the sound, the way it is played and the like, can be considered in order to classify the instrument in the Qeychak family.

One of the most popular terms used by Iranian instrumentalists is the existence or a lack of musical “sense”. Both musicians and fans of music consider having “sense” while playing music as an important principle to the extent that they use it vis-a-vis having technique.

Sima Bina (b. 1945) is a unique singer among the singers of Golha radio programmes which were broadcast on Iranian National Radio for 23 years from 1956 to 1979. She received her first lessons in music from her father who was a poet, a musician and the most important supporter of Sima’s cultural activities.