Chaharmezrab's Shour and Shahnaz for Orchestra of Iranian Classical Music's Instruments

In this book, the modal keying order is used instead of the tonal keying order, which is the usual routine of writings in the classical music system of Iran. In the course of the orchestra, in the field of Iranian instrumental music, few books have been designed and compiled for training. Due to the need to fill the mentioned gap, the author decided to write a book for this lesson. In this book, the Shur device is used as the mother of devices in the classical Iranian music system, as well as the Shahnaz corner medal space as the most important medal space in this device. From the point of view of typology, one of the most common types of Iranian classical music, namely, Chaharmazrab, has been used as a structural template. Also, the context of the form during the classical military piece is included according to the well-known patterns of the formal. meter, type, articulation, agogic, dynamics and composition, to adopt an arrangement that will be used by students and teachers of this course from various educational and at the same time practical aspects.