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In music theory, a tetrachord (Greek: τετράχορδoν; Latin: tetrachordum) is a series of four notes separated by three intervals.In traditional music theory, a tetrachord always spanned the interval of a perfect fourth, a 4:3 frequency proportion (approx. 498 cents)—but in modern use it means any four-note segment of a scale or tone row, not necessarily related to a particular tuning ...
In Turkish classical music, the Uşşak pitch class set is a set of scales that are named after the Uşşak or Hüseynî makams.For Uşşak, there is the Uşşak tetrachord and the Hüseynî pentachord.
Tetrachord Note order Step to next note (Number of steps) Note name starting from Rast [1] Rast pentachord: Rast tetrachord: 1 T (9) Rast 2 K (8) Dügâh 3 S (5) Segâh 4 T (9) (Only for pentachord) Çârgâh - 5 - Neva
Characteristic tetrachord of maqam bayati Bayati. Play ⓘ Bayātī (Arabic بياتي; Turkish Beyâtî), also known as Bayat and Uşşâk (Ushaq), is the name of a maqam (musical mode) in Arabic, Turkish, and related systems of music. Bayati is similar to a natural minor scale, with the primary exception of a half-flat second degree.
Dominant seventh chord on C: C 7 Play ⓘ.. A tetrad is a set of four notes in music theory.When these four notes form a tertian chord they are more specifically called a seventh chord, after the diatonic interval from the root of the chord to its fourth note (in root position close voicing).
The double-flat symbol is used for modern notation of the third tone in the tetrachord to follow modern convention of keeping scale notes as a letter sequence, and to remind the reader that the third tone in an enharmonic tetrachord (say F, shown above) was not tuned quite the same as the second note in a diatonic or chromatic scale (the ...
Characteristic tetrachord of maqam rast, known as the rast tetrachord, commonly used in descending cadences. Rast Panjgah (or Rast; Persian: راست پنج گاه) is the name of a dastgah (musical mode) in Iranian music and of a maqam in Arabic and related systems of music. Rast is a Persian word
Since the makam is based on 53-TET, it is impossible to directly tie it to 12-TET Western scales. However, using the 48-TET model, while worse than many other models in approximation, [3] allows for such comparisons. [Note 1] The approximation of Rast ascending within 48-TET would be: [Note 2] Major (3, 7) While Rast descending would be ...