With regard to each polyphonic form, only one specific and distinguished example is analyzed. These polyphonic forms are as follows:

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).

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.

B. applying force: the force needed for putting finger on finger board is applied through finger tips and using the rest of hand set especially wrist is not allowed. To practice this, it is possible to hold violin without the bow and throw the fingers on the finger board from 1-2cm distance; apply force only through finger tips.

Shaahin Mohajeri, the award-winning Iranian microtonal compose, has contributed to The Art of Silence is an international project which features unpublished pieces by microtonal composers from Iran, Japan, the United States, and other countries.

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.

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.

Amidst the popularity of traditionalism in the Iranian music, Parviz Meshkatian (1955- 2009) moved from Neyshabur to Tehran. He learnt to play Santour and became educated in the Radif of Iranian music at the Centre for Preservation and Promotion of Music which was at the forefront of promoting the return to musical traditions. Despite his studies at a centre which promoted the use of the phrase “traditional music” in Iran, Parviz Meshkatian emerged as a creative artist whose innovative and unique ideas attracted the admiration of Iranian artists and people from different walks of life. This article studies the reason behind Meshkatian’s deviation from the wrong approach of traditionalism strongly promoted by the Centre and argues that apart from the issue of theory of Iranian music, he can be considered as Ali Naqi Vaziri’s successor.

With Dehlavi it is not all about fame but recognition. Hossein Dehlavi is not a popular musician (like pop singers) whom everybody might know when he is walking on streets of Tehran; however, he is recognized by both amateur and distinguished musicians of the country.

1.5.1.3.sometimes, a player, due to different reasons, may decisively want to play continuously two notes with a half-step by means of the same finger, in such a case, it’s necessary to open the interior curve of the finger like a spring. Naturally coming back, the curve of finger should be closed and the finger should become curved shape again (see paragraph 3.1.2.1).