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| Segah (Dastgāh) | |
|---|---|
| Name | Segah |
| Type | Dastgāh |
| Region | Persia |
| Related | Shur, Bayāt-e Tork, Homayun |
Segah (Dastgāh) is a principal modal system in Persian classical music associated with specific melodic formulas, microtonal intervals, and a repertoire of gushehs. It functions as a framework for improvisation and composition used by vocalists and instrumentalists, connected historically to courtly and urban traditions in Safavid dynasty, Qajar dynasty, and modern Iran. Segah's identity has shaped performance practice across centers such as Tehran, Isfahan, Shiraz, and Tabriz and informed exchanges with neighboring traditions in Ottoman Empire, Azerbaijan, and Central Asia.
Segah occupies a core position among the twelve principal Dastgāh systems codified by theorists and practitioners like Ruhollah Khaleqi and Dr. Ali Akbar Shahnazi, coexisting with Shur and Homayun in pedagogical curricula established at institutions such as the Tehran Conservatory of Music and the School of National Music. Segah's name is historically linked to performance registers used by court musicians at the Safavid court and later salon repertoires popularized by performers active in Tehran and Istanbul. Notable theoreticians including Farhad Fakhreddini and Hormoz Farhat have analyzed Segah alongside modal systems found in Maqam practice of Istanbul Conservatory and Azerbaijani mugham.
Segah is characterized by a tonic center often on a pitch equivalent to the third degree of the Persian neutral scale, producing distinctive microtonal intervals such as neutral seconds and three-quarter tones described in treatises by Abd al-Qadir Maraghi and later commentators like Jalal Zolfonun. Its scalar makeup shares relations with Bayāt-e Tork and Shur while featuring particular jins and tetrachords comparable to Maqam Segah descriptions in Ottoman music. The mode emphasizes a melodic emphasis on the central tetrachord and employs specific melodic motifs (for example, the "segah tetrachordal turn") observed in performances by Ostad Mohammad Reza Shajarian, Ostad Hossein Alizadeh, and Ostad Ruhollah Khaleghi.
Segah's internal organization consists of a collection of gushehs—named melodic pieces—that outline segments such as āqāz, miān, and payān used in suites documented in manuscripts attributed to Safi al-Din al-Urmawi and to later anthologies compiled by Vazir Khan Agha and Ali Naqi Vaziri. Repertoire examples include famous gushehs performed in concert and recording contexts by Gholam-Hossein Banan, Faramarz Payvar, and Parviz Meshkatian, each rendering canonical pieces with variant ornamentation and rhythmic cycles derived from Ritm practices associated with Dastgāh performance. Compositional forms in Segah inform both instrumental tasnifs and vocal pishdaramads taught at the Radif School.
Performance in Segah is primarily improvisational within the constraints of the radif, with soloists and ensembles (such as Shahnazi Ensemble, Saba Orchestra, Dastan Ensemble) navigating between improvised avazes and composed pieces like tasnif and pishdaramad. Ornamentation techniques—meend, tahrir, and khanâni—are executed by artists including Kayhan Kalhor, Hossein Omoumi, Jalil Shahnaz and employ timbral variation on instruments such as the tar, setar, kamancheh, santur, and vocal styles perfected in schools associated with Aqa Mirak, Bakhshi lineages. Ensemble roles, rhythmic accompaniment by tombak and daf, and modal modulation practices are codified in conservatory curricula and oral transmission from masters to students.
Segah's evolution can be traced from medieval theorists like Ibn Sina-era manuscripts through post-Mongol court repertories and the codifications of the 19th and 20th centuries by figures such as Ali Naqi Vaziri, Ruhollah Khaleghi, and Darvish Khan. Colonial encounters and recording technology diffusion in the early 20th century brought Segah to broader publics via labels and radio stations tied to Tehran Radio and commercial studios working with artists like Abdolhossein Saba and Qamar-ol-Moluk Vaziri. Cross-cultural contact with Ottoman and Azerbaijani traditions produced comparative scholarship by Jean During and practical hybridizations seen in the repertoires of itinerant musicians between Tabriz and Istanbul.
Segah functions within broader cultural institutions such as court ceremonies, urban concert life, and theatrical settings including performances linked to Rumi-inspired Sufi assemblies and Pahlavi-era cultural policies. Its motifs appear in film scores by composers for Iranian cinema and in contemporary fusion projects involving collaborators from France, Germany, United Kingdom, and United States, where artists like Shahram Nazeri and Kayhan Kalhor brought Segah-inflected material to global stages including festivals at WOMAD and the BBC Proms. Ethnomusicological studies at SOAS and University of Tehran explore Segah's role in identity, nationalism, and diasporic musical practices among Iranian diaspora communities in Los Angeles, Paris, and Toronto.
Prominent exponents associated with Segah repertory include vocalists Ostad Mohammad-Reza Shajarian, Gholam-Hossein Banan, instrumentalists Jalil Shahnaz, Faramarz Payvar, Kayhan Kalhor, and composers/arrangers such as Parviz Meshkatian and Hossein Alizadeh, whose recordings on labels connected to Iran National Radio and independent producers document canonical gushehs and improvised avazes. Landmark recordings and performances—studio albums, radio sessions, and festival appearances—by these artists provide primary listening materials used in pedagogy at institutions like the Tehran Conservatory of Music and archives housed at National Museum of Iran and university collections at Syracuse University and Harvard University.