Acemli Rast ("Rast with Acem") is the implementation of the descending version of the Rast scale in Turkish makam music.
It is in 53 Tone Equal Temperament.
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,[2] allows for such comparisons.α The approximation of Acemli Rast within 48-TET would be: Mixolydian(3).β