The world of music has unparalleled respect for Bach. Bach is considered the spiritual father of classical music; Bach’s great position is due not only to his great achievements in the fields of harmony, counterpoint, and compositional sciences but also to his respect for and adherence to the artistic principles of classical music. In the history of classical music, it is recorded that Bach walked about fifty kilometers to listen to the music played by the great German organist Dieterich Buxtehude, and this is the path that every idealistic classical music student should walk.

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).

At the end of the Qajar era and as Iran entered the power transition period, known as the constitutional era, the Iranian music went through a lot of changes. These changes gained momentum as the students and followers of Ali Naqi Vaziri’s entered the musical scene. These changes greatly influenced designs of instruments, playing methods, singing, composing, etc.

Ashura Opera was composed by Behzad Abdi, the Iranian composer, in 2008 based on librettos compiled by Behrouz Gharib. The main source for the libretto is poems by Mohtasham Kashani, a sixteenth century Iranian poet.

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.

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.

UnTwelve Non-profit Organization announced the results of its 2014/2015 composition competition on January 28, 2015. Shaahin Mohajeri, an Iranian Tonbak player, microtonalist, acoustician and composer, was awarded the second prize for his piece “Castle of Babak.”

Simorgh (Simorq) Orchestra was founded by the renowned Iranian composer, Hamid Motebassem, in 2011. Simorgh Orchestra is the largest orchestra featuring Iranian national instruments. Although the orchestra established by Master Hossein Dehlavi, the great Iranian composer, in 1993 was larger than Simorgh Orchestra, it only featured the Iranian plucked string instruments unlike the latter one. The first album which was recorded by the Orchestra, conducted under Motebassem’s baton, was his Simorq based on Zal story from Shahnameh by Ferdowsi, the great Iranian poet.

Rouhollah Khaleghi was the master of composing beautiful melodies. He was the premier of the course of history which was first established by Ali Naghi Vaziri and which improved the Iranian music from simply a gathering music to the classical music of the country. First efforts to compose independent and instrumental music can be also traced in Khaleghi’s works.

Establishing O.R.P. Quartet is Kayvan Mirhadi’s latest activity as a guitarist, composer and conductor of Kamerata Orchestra. Besides working with this Quartet, Mirhadi is busy these days recording and mixing some of his own works as well as some pieces by 20th century composers. O.R.P Quartet performed a concert in Rasht, Gilan Province in late May 2016 and offered a master class.