Today, percussion instruments have such a high place in music that are an essential element of orchestras. This has attracted many people to this type of instrument with roots as old as the first humans. A historical study of music, shows that humans used the sound of these instruments to defend themselves against wild animals and, over time, for alerting each other, signaling their readiness and encouraging people for war, ritual ceremonies, dances, etc. in a manner that is still clearly visible in music and some ritual ceremonies.

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

Payam Taghadossi (born in 1989) started his musical education at the age of 4 years with Monika Scherbaum in Bregenz (Austria). At the Conservatory Feldkirch he joined the class of Imke Frank and Martin Merker. Later he studied in Zurich (Switzerland) with Thomas Grossenbacher and Christian Proske, where he 2011 graduated as a Bachelor of Arts in Music Performance. Two years later as the student of Rafael Rosenfeld he received his Master of Arts in Music Performance diploma and later graduated as a Master of Arts in spezialized Music Performance in 2016 from the Hochschule für Musik Basel FHNW.

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.

Developments in Composing

Along with developments in the Iranian instruments, composition of the Iranian pieces developed as well. As a matter of fact, the developments of the two, mutually affected each other. In other words, instrumental developments led to developments in composition and vice versa.

Ali Tajvidi (1920 – 2004), one of the most prominent Iranian musicians, passed away sixteen years ago. He was one of the most distinguished Iranian artists. To specify one of the fields in which he was unique, one can refer to Tasnif composition. A brief review of his manifold musical activities is presented below.

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].

The 4th Iranian Festival of Music Websites and Weblogs was held in Niavaran Cultural Center, in Tehran, Iran on Feb. 28th, 2015. The initiator of the festival was Sajjad Pourghanad, Iranian music writer, researcher, founder of the festival and Persian setar and tar player.

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.

In the world music culture, there are instruments which were traditionally associated with a certain gender. It remains disputable to what extent these gender-based perceptions have been logical and scientific. For example, as playing wind instruments need more breath strength and the public opinion believe that men have stronger breath compared to women, these instruments are predominantly a male domain. Harp is also considered a female instrument as the public opinion believe that women have finer fingers and can therefore better perform nuances and delicate techniques on the instrument.