In addition to the above-mentioned, polyphony can be also formed when a melody is performed by several singers in different ambiances or different sound registers according to their physiologic abilities. An example of this has been performed in rituals of Khanqah of Ghaderi darawish of Mahabad[i].

ehrouz Mohammadi, “Daf and its feasts in Ghaderieh’s Tekyeh” mentions that the outer thickness of arch where studs are located, [is] between one to one and a half centimeters (Mohammadi, 2001: 12). The thickness of arch should be gradually reduced from the installation place of rings to skin (Avazeh of Daf) to create a high volume, clear sound from Daf; also, the connection of arch to skin should not be less than one millimeter, because in this case the skin will be torn due to the sharpness of the wood (Mogharab Samadi, 2009: 79-78). The thickness of wood on the skin side is about two to three millimeters (Tohidi, 2002: 79).

Pattern No.3/1 Left hand finger Placement: 3/1/1: Landing Fingers on one String: In preliminary stages of training, an apprentice should pay attention to the principle of keeping fingers while placing them on the fingerboard. Professional violinists pay less attention to this principle. Novice player’s complying with this principle, in preliminary stages of training, has several…
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Golnoush Khaleghi, first Persian woman conductor and daughter of legendary composer Rouhollah Khaleghi, passed away on February 14. She was 80. Golnoush Khaleghi was the conductor of the NIRT (National Iranian Radio & Television) Choir in the 1970s. Shortly after the 1979 Islamic Revolution Ms. Khaleghi moved to the United States and founded the Rouhollah…
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Fantasia on One Note was my first professional work for piano, which had its world premiere by the great pianist Peter Jablonski in Sweden, and it has been performed by various pianists in the UK, Germany, France, and the Czech Republic. The recording of this work has also been broadcast on the Dutch public radio, NPR Radio 4.

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.

4.3.1. To practice playing of doubles of notes involving two different fingers, each note is played at separate bows with slow tempo, each note is played perfectly regarding its bass and tenor sounds and then the considered double is played at another bow while considering the resulted sound of the double.

In a momentous celebration of two decades, the “Arasbaran Cultural Center” was the stage for the 20th anniversary of “Harmony Talk”, an online journal that has become a cornerstone in the music community. Sadjad Pourghanad, the editor-in-chief, delivered a speech that resonated with gratitude and vision.

Gholamreza Khan Minbashian taught courses such as organology, orchestration of military music and harmony based on the books which were translated from French into Persian with the help of Aliakbar Mozayyan-o-Dolleh (1846-1932).

In the few days prior to the New Iranian year (March 2015), the news of the revival of Tehran Symphony Orchestra under Ali (Alexander) Rahbari’s conductorship was announced. Ali Rahbari, who served as assistant to Herbert von Karajan in Berlin Philharmonic Orchestra at a very young age, was also invited to conduct Tehran Symphony Orchestra in 2005; however, the election of Mahmoud Ahmadinejad’s government put an end to his collaboration with this Orchestra. Recently, it was announced that Rahbari is invited to conduct an orchestra in the U.S.