Theory

Holder koması (Holdrian comma)

Holder koması

One of the 53 equal parts of the octave, about 22.6 cents; named after the 17th-century English theorist William Holder. In the 53-equal division, 4, 5, 8 and 9 Holdrian commas match AEÜ’s Pythagorean bakiye, küçük mücenneb, büyük mücenneb and tanini intervals within less than 1 cent, which is why “comma” in teaching usually means this unit. The sounds on this site are also calculated with the 53-equal division.

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Other terms in Theory

Ara perde (in-between pitch)Interval Dik Scale Esnek perde (flexible pitch)Kaba (low)Koma (comma)Mûsikî Nağme Theory Nim Octave Perde (pitch)Pisagor koması (Pythagorean comma)Ses düzeni (tuning system)Tam perde (main pitch)Tiz (high)

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Sources

The definitions were written in our own words, drawing on sources such as the TDV Encyclopedia of Islam, Yılmaz Öztuna's Encyclopedic Dictionary of Turkish Music and Wikipedia; pitch and interval values follow the Arel-Ezgi-Uzdilek system. This content has not yet been reviewed by an expert; if you spot a mistake, please write to us.

TDV İslâm Ansiklopedisi

Yılmaz Öztuna, Türk Musikisi: Akademik Klasik Türk San'at Musikisi'nin Ansiklopedik Sözlüğü, Kültür Bakanlığı Yayınları, Ankara, 1990.

H. Sadettin Arel, Türk Mûsikîsi Nazariyatı Dersleri (haz. Onur Akdoğu), Kültür Bakanlığı Yayınları, Ankara, 1991.

Vikipedi, “Türk müziği” maddesi.