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Persian classical music: the radif and the dastgah system

Persian classical music is built on a shared collection of melodies, learned by heart and brought to life through improvisation.

Sep 25, 2026ZIBADISPLAY2 min read

The radif

The radif is the traditional repertoire of melodic pieces, called gusheh, passed from master to student. In 2009 UNESCO inscribed the radif of Iranian music on its list of the Intangible Cultural Heritage of Humanity.

Seven dastgahs

The gushehs are grouped into modal systems. There are seven main dastgahs:

  • Shur
  • Mahur
  • Homayoun
  • Segah
  • Chahargah
  • Rast-Panjgah
  • Nava

Five avaz

Five further modes, called avaz, are usually counted as branches of Shur or Homayoun: Abu-Ata, Bayat-e Tork, Afshari and Dashti (from Shur), and Bayat-e Esfahan (from Homayoun).

Improvisation

A performer chooses a dastgah and moves through its gushehs, improvising within their melodic patterns. Two performances of the same dastgah are never quite the same.

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