MusicianCV · TRDevr-i tûran
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Understanding usul
One cycle of Devr-i tûran spans 7 time units. Count 14 units across two complete cycles and mark the return at the second cycle.
The diagram shows the time count of one usul cycle. Consult a notated or performed example for strokes, stresses and mertebe. Several usuller can share a time count.
Example
Time units per cycle / usul · 7 / Devr-i tûran
Time units per cycle / usul7 Devr-i tûran
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Can a time signature identify the usul conclusively?
Answer
Compare the stroke pattern and relative stresses too. The equal time units in the diagram do not specify a düm-tek pattern.Related topics
Usul, meter and asymmetric groupingReferences
Usul — TDV İslâm Ansiklopedisi
Subject-expert review pending.