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. While in Arabic maqam music, maqam Bayati is taken as a basic tetrachord, in Turkish makam music, Uşşak is taken as a basic tetrachord instead.
Uşşak tetrachord and Hüseynî pentachord in 53-TET The intervals of the Uşşak tetrachord and Hüseynî pentachord within 53 Tone Equal Temperament are given in the table: +Uşşak pitch class setPentachordTetrachordNote orderStep to next note (Number of steps)Note name starting from DügâhThis is sometimes called "Starting from its original position" but it doesn't have to start there.Hüseynî pentachordUşşak tetrachord1K (8)Dügâh2S (5)Segâh3T (9)Çârgâh4T (9)Neva -5 -Hüseynî
Makams that use the Uşşak tetrachord or Hüseynî pentachord +Name of MakamLower ÇeşniHigher ÇeşniNotesUşşakUşşak tetrachordBuselik pentachordThis is the makam that the Uşşak tetrachord is named after.UzzalHicaz pentachordUşşak tetrachordHüseynîHüseyni pentachordKürdi tetrachordThis is the makam that the Hüseynî pentachord is named after.
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