MusicianCV · TRAksak semâi
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Understanding usul
One cycle of Aksak semâi spans 10 time units. Count 20 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 · 10 / Aksak semâi
Time units per cycle / usul10 Aksak semâi
Try it
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.