Arabic music
Regional scales

As a result of these findings, the following recommendation was issued: "The tempered scale and the natural scale should be rejected. In Egypt, the Egyptian scale is to be kept with the values, which were measured with all possible precision. The Turkish, Syrian, and Iraqi scales should remain what they are...." Both in modern practice, and evident in recorded music over the course of the last century, several differently-tuned Es in between the E-flat and E-natural of the Western Chromatic scale are used, that vary according to the types of maqams and ajnas used, and the region in which they are used.
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