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Shaahin mohajeri or Shahin mohajeri ,(in Persian شاهین مهاجری) born 26 July 1971 in Tehran, Iran is a Tombak player, Tombak Researcher and microtonal composer. He has B.A in geology from Tehran university. He began studying tombak under supervision of Nasser Farhangfar, master of tombak, but His Studies of tombak sound and fingering, tombak musical analysis and his arrhythmic musical ideas have led him to a different musical world of tombak and tombak playing.

He composes music for solo of tombak and tombak group with different pitches, ranging from traditional to his personal style.

He is working on a new musical notation system for tombak as a result of acoustical parameters and a system of fingering classification for this drum .

On 23 Dec 2006 Shaahin mohajeri lectured on tombak history, organology,acoustics and tunable tombakof Dr.Hossein omoumi in the Tehran Conservatory of Music.

As a microtonalist, he works on different tuning systemssuch as :

         Equal divisions of length(EDL)

         Arithmetic irrational divisions of octave AIDO(or nonoctave,interval)

         Arithmetic rational divisions of octave ARDO(or nonoctave,interval)

         Equal divisions of octave

         Arithmetic divisions of length (ADL)

Shaahin mohajeri believes that 96-EDO is a good system for intervallic structure of Persian music with more accurate estimation than ali naqi vaziri's 24-EDO system. Now, He is working on a microtonal notation system based on 96-EDO for Persian music and on a model for tuning systems classification based on divisions of octavic or nonoctavic musical scales and systems.

Microtonalist Aaron krister johnson in his interview with tokafi Called him as a very talented individuals from the Middle East.

Some of his tuning models is used in scala , a powerful software tool for experimentation with musical tunings.He is also listed in 81/80,an internet radio dedicated to microtonal music.

                                                                                   Links related to shaahin


          15 Questions to Aaron Krister Johnson

                    Shaahin's tombak music in Rhythmweb

                    Shaahin's notes on acoustics of tombak

                   Farab,an interval measurement unit for 144-EDO

                   Iranian segah mode

                   Shaahins's Persian page in harmonytalk

                    ایقاع ووزن خوانی یادیاری

                   Shaahin's homepage on tombak acousticsoftombak.googlepages.com

                   Shaahin's tombak and tomdaf music in irandrumz

                   Shaahin in scala references

                   Shaahin mohajeri's scales in the large collection of over 3700 scale files for Scala

                   Shaahin in xenharmonic wikispace: 1.... 96EDO

                   Shaahin in Huygens-Fokker Foundation: Composers....Tuning & temperament bibliography

                   Shaahin in list of microtonalist mentioned by john starrett in his Microtonal website: 1.... 2

                   Shaahin in 81/80 microtonal radio

                   3rd International festival of percussions in catalunya , spain , Feb 2008

          Shaahin's ADO tuning model mentioned in Ph.D. Thesis of Ozan Yarman:1

                   Shaahin in irandrumz

روایتی برای تمبك

گزارش نشست پژوهشی تنبک کوکی و نی کلیددار

گزارشی از سخنرانی پژوهشی شاهین مهاجری و دكتر حسین عمومی در باره تمبك كوكی

شاهين در گفتگوي هارمونيك