The collaboration between Mozart and Haydn blossomed during the late 18th century in Vienna, a city that served as the epicenter of musical innovation. Amidst this vibrant cultural milieu, the two composers developed a profound friendship that extended beyond mere professional admiration. This connection is reflected in the six string quartets dedicated by Mozart to Haydn, aptly known as the “Haydn Quartets.”

Gholam Reza Khan Minbashian, a.k.a Salar-Mo’azez, was a pioneer in several domains in the history of the Iranian music. He is recognized as the first Iranian musician who was educated in classical music. He is also the first Iranian the score of whose works were published in Europe. He is the first Iranian to have launched courses on Western classical music and was also the first Iranian teacher of classical music. Moreover, he is the first founder of a string orchestra in Iran, the first author of the Iranian Radif which was available in oral form. Minbashian is also the first Iranian who studied music in Europe.

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.

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.

Santour:
Nine-bridge and twelve-bridge Sanours were both used until the early Pahlavi dynasty. However, as Faramarz Payvar devised new methods for playing the nine-bridge Sanour, this variety of the instrument which was hammered by felted sticks became popular.

In addition to the above-mentioned, polyphony can be also formed when a melody is performed by several singers in different ambiances or different sound registers according to their physiologic abilities. An example of this has been performed in rituals of Khanqah of Ghaderi darawish of Mahabad[i].

In the world of classical music, the position of soloist has always been exceptional. Apart from the technical ability that many orchestral musicians also have, the soloist must also have a special power to be able to present a different and unique perspective of a piece. The soloist must maintain its special power of expression not only in solo roles but also when interacting with the orchestra.

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.

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.

Tehran Flute Choir was established in 1394 (late 2015) by Firouzeh Navai. Tehran Flute Choir, Iran’s first largest flute choir, recruited its members mostly from young talented flutists of Iranian Flute Association. Featuring piccolo, flute, alto flute and bass flute, Tehran Flute Choir, directed by Firouzeh Navai, premiered under the batons of Saeed Taghadosi on January 7-8, 2016 at Roudaki Hall in Tehran.