Dastgah refers to a system of modal structures in Persian classical music that serves as a framework for improvisation and composition. Each dastgah consists of a collection of melodies, known as gushehs, which provide musicians with a variety of musical ideas and emotional expressions to explore within a performance. The dastgah system is essential in understanding regional variations in Middle Eastern and North African music, as it highlights how different cultures adapt and develop their musical language.
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