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.
[citation needed] The intervals of the Uşşak tetrachord and Hüseynî pentachord within 53 Tone Equal Temperament are given in the table: