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).

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.

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.

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.

The life territory of the female-male relations in the Iranian cultural context is basically a domestic territory and not a social-living one in the labour and leisure domains. To prove this, it only suffices to consider the Iranian men’s viewpoints about women. For the Iranian men, there are three perspectives regarding the women: mother, sister and wife. Mother represents the emotional territory; sister represents the logical territory at home while wife represents the sexual territory.

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.

A part of the secrets of the masterpieces from the golden era lies in the special design of the instruments, as a result of a profound insight to and awareness of the significance of the precise calculation of the various components of the object of arts being created, such as making a violin or a bow.

It is more than a century now that the sociologists consider the presence of women in different social domains as a benchmark for a society’s progress. They analyze the presence of women in society by the means of available statistics. Unfortunately, as with regard to the Iranian society, statistics related to women’s engagement, has not been available to the researchers, if they existed at all.

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.

Mr. Mohsen Ghanebasiri, author and critic in the field of economy, culture and arts, as the next speaker, highlighted the role of arts, specially the music, in development of societies: “As far as the individual upbringing is concerned, a newborn baby is absolutely dependent. The relation between the baby and the parents is based on orders. There is lots of relativity in these orders; therefore, they are political orders. In the economy, however, the relations are mutual and based on common logic; hence, the formation of the concepts of democracy and individuality.