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.

The term “School of Vaziri” is often used in writings on Iranian music, but the exact meaning of the term is not clear; some of the authors have used the term to only refer to the group of Vaziri’s students, including a large group of his conservatory students and his Tar students such as Abolhassan Saba, Rouhollah Khaleghi, Ahmad Foroutan Rad, Hossein Sanjari, Heshmat Sanjari and others. But can we consider all Vaziri’s students as followers of his school of thought? This is definitely a mistake, because we know that some of Vaziri’s students have chosen a completely different path than that of Vaziri.

The Roudaki Foundation presented the permanent conductor of the National Orchestra (Orchestr Melli), Homayoun Rahimian, in a ceremony, and finally, after four years, the national orchestra found a permanent conductor. Homayoun Rahimian is the fourth permanent conductor of this orchestra after Farhad Fakhreddini, Bardia Kiaras, and Fereidoun Shahbaziyan. He, who has previously had experience of conducting concerts besides being Meister’s concert of this orchestra, performed the concert “Autumns” on the 20th of Tir, performing works by Rouhollah Khaleqi, Javad Ma’roufi, and Hossein Dehlavi.

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.

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.

Daf is one of the percussion instruments associated with the Kurdistan region of Iran, which has a special place in Iranian music. In the past, animal skin was used for the drum head, but now most of the tambourines in the market are made with artificial skin, which are designed with various decorations.

3/1/2/5: When the first finger lands next to the nut, continuation of first phalange of this finger, on back of the hand, should be in line with continuation of the back of the wrist and the left hand; moreover, it should not pass them and bend at knuckles. Otherwise, an uncommon stretch is created in first finger’s knuckle also reducing the freedom of other fingers (especially the fourth finger) in finger placement.

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).

Violin players should always pay attention to the proper position of the left thumb and other points related to it and to its joining point to the palm.

The National Instruments Orchestra of Iran performed its first concert amid much hope and anxiety on July 18, 2015. The Orchestra is founded by Roudaki Cultural and Arts Foundation which is a semi-private foundation in Iran. The Arts Director for the National Instruments Orchestra of Iran is cand the Orchestra Executive Director is Sadjad Pourghand.