In this project, my specialized responsibility was the basic drawings of the desired instrument with the help of engineering and mechanical software. I have also the carried out phases related to engineering designs, related variables, and volume and weight calculations under Mr. Ziaei’s direct supervision from the very beginning. Regarding the challenges of this work, suffice it to say that the set of designs for the instrument lasted more than 9 months in the final stage of the project only.
Category Archives: Musical Physics and Engineering
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From Past Days…

Principles of Violin Playing (X)
Creating sound continuity between two notes in the source and destination positions when left hand position changes and “two different finger numbers” are involved is called portamento. Portamento can be performed on single string or two neighboring strings and with hand moving on fingerboard either upward or downward.

The Structure of Kurdistan Daf (VII)
Conclusion
“Daf” is one of type of percussion instruments that has a long history and is commonly known as circular instruments (with a rim). In some tribes, Daf was used as the main instrument in festivity and joy ceremonies; in another tribe it was used as the main instrument for war and campaign ceremonies and some others used it for ritual and religious ceremonies.

Polyphony in Iranian Music (I)
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.

Ali Rahbari’s collaboration with Naxos as a Composer
Concertino for Violin and Orchestra entitled Nohe Khan was composed by Ali (Alexander) Rahbari while he was studying music in Vienna in 1972. This piece was composed having in mind the Ashoura events and inspired by the music which is used during the Ashoura ceremonies. The piece was first performed and recorded by Bijan Khadem…
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Non-profit “Microtona” Project Released
Microtona is a sixty-eight-page Booklet with personal comments by the contributing microtonal artists. The booklet also includes a DVD which consists of 8 original video tracks and 9 original audio tracks. The project is an international one featuring unpublished pieces by composers from Iran, Japan, U.S., France, Austria, Germany and Belgium.

Harmony in the Iranian Music (II)
One of his works was the translation of Harmony, which was carried out with the help of Mozayyan al-Dowleh, and included a pamphlet based on which he used to teach the subject to the students of the school of music; the pamphlet was never published. It was, in fact, a kind of simple harmony for the piano with no quadriads, it rather featured the engagement of both the right hand and the left hand which was being taught at the music school for the first time. Salar-Mo’azez also composed military marches and hymns for schools, which he harmonized to be performed and piano. Likewise, he used to compose for military orchestras.

Interview with the Makers of the New Qeychak (I)
On occasion of the 8th anniversary of launching HarmonyTalk Online Journal on 6 April 2012, Reza Ziaei, master luthier and researcher on classical music instruments (violin family), announced that the first phase of the project to improve Qeychak has borne fruit. The new instrument would feature a bowl of ribs and the material used for the surface would be wooden. Carrying out the second phase of the project took more than 7 years engaging the new members of Reza Ziaei’s Workshop. In this phase, new researches were conducted from different aspects on the Qeychak and the modern versions of the instrument which were introduced previously by other instrument makers. The available versions of the instrument were studied in terms of their weak and strong technical features.

Gholam Reza Khan Minbashian: a pioneer in Iranian music (I)
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.

Ali Rahbari & Recording Iranian Symphonic Compositions
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.

Rouhollah Khaleghi Artistic Center established in Washington DC
Golnoush Khaleghi (1941-2021), a Washington-based Persian musician and the daughter of the contemporary Persian (Iranian) composer and theoretician Rouhollah Khaleghi (1906-1965) founded a musical center called RKAC to keep the name and the work of her father alive.