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For other uses, see Usul (disambiguation)

In Classical Turkish Music, usul is an underlying rhythmic cycle that complements the melodic rhythm and sometimes helps shape the overall structure of a composition. An usul can be as short as two beats or as long as 120 beats. Usul is often translated as "meter", but usul and meter are not exactly the same. Both are repeating rhythmic patterns with more or less complex inner structures of beats of differing duration and weight. But a student learning Turkish music in the traditional meşk system first memorizes the usul kinetically by striking the knees with the hands. The student then sings the vocal or instrumental composition while performing the underlying usul. This pedagogical system helps the student memorize the composition while internalizing the underlying rhythmic structure.

Usul patterns have standard pronounceable vocables built from combinations of the syllables düm, dü-üm, tek, tekkyaa, teke, te-ek, where düm, dü-üm indicate a strong low beat of single or double duration, and tek, tekkya, teke, te-ek indicate various combinations of light beats of half, single or double duration. Long usuls (e.g., 28/4, 32/4, 120/4) are compound metric structures that underly longer sections of entire compositions.

In Ottoman times, the usul was realized by drummers. Drums are generally omitted in modern performances except for Mevlevi. When performing music for the Mevlevi ceremony, drummers traditionally play embellished (velveleli) versions of the usuls.

Instrumental improvisations (taksim) and vocal improvisations (gazel(Ghazal), mersiye, etc.) are generally performed in "free" rhythm, with no usul.

The melodic counterport to usul rhythmic mode is makam melodic mode. The parallel system to usul in Indian music is tala.

• 1-) Yürük Sofyan (Mim Sofyan, Tek Sofyan)
• 2-) Sofyan
• 3-) Curcuna (Devri Süreyya Sofyanı)
• 4-) Çeng-i Harbî
• 5-) Düyek
• 6-) Ağır Düyek
• 7-) Nazlı Düyek
• 8-) Çifte Düyek
• 9-) Darb
• 10-) Gülşen
• 11-) Yürük Semâî
• 12-) Semâî (Waltz)(3/4 (help·info))
• 13-) Sengin Semaî
• 14-) Aksak Semaî
• 15-) Ağır Aksak Semaî
• 16-) Artık Aksak Semaî
• 17-) Türk Aksak Semaîsi
• 18-) Arab Aksak Semaîsi
• 19-) Zafer
• 20-) Türk Aksağı (Süreyya)
• 21-) Çifte Sofyan (Raks Aksağı)
• 22-) Aksak
• 23-) Ağır Aksak
• 24-) Aksak Sofyan
• 25-) Oynak
• 26-) Kadîm Evfer
• 27-) Evfer
• 28-) Ağır Evfer
• 29-) Nim Evfer
• 30-) Durak Evferi
• 31-) Firenkçin
• 32-) Fi rengi Fer'
• 33-) F e r '
• 34-) Katakofti (Müsemmen)
• 35-) Bulgar Darbı
• 36-) Türk Darbı (1. Şekil)
• 37-) Türk Darbı (2. Şekil)
• 38-) Türk Darbı (3. Şekil)
• 39-) Hüner Darbı
• 40-) Tek Vuruş
• 41-) Karadeniz
• 42-) Raksan
• 43-) Aksak Semaî Evferi
• 44-) Hefta
• 45-) Devri Hindî
• 46-) Mandra (Devri Turan)
• 47-) Nim Devir
• 48-) Mevlevi Devri Revani
• 49-) Devri Revan
• 50-) Dolap
• 51-) Devri Türkî
• 52-) Darbı Arabî
• 53-) Nazlı Devri Hindî
• 54-) Devri Kebîr
• 55-) Nim Evsat
• 56-) Evsat
• 57-) Dilruba
• 58-) Fahte
• 59-) Lenk Fahte (Nim Fahte)
• 60-) Şirin
• 61-) Hezeç
• 62-) Harzem
• 63-) Çenber
• 64-) Ağır Çenber
• 65-) Muhammes
• 66-) Nim Berefşan
• 67-) Berefşan
• 68-) Nim Hafîf
• 69-) Hafîf
• 70-) Nim Sakîl
• 71-) Sakîl
• 72-) Remel
• 73-) Havî
• 74-) Darbı Fetih
• 75-) Zencîr
• 76-) Darbeyn
• 77-) Bektaşî Raksı
• 78-) Darbı Kürdî

• [1] Rhythmic layers in Turkish art music