Genos Discontinued
![](/en/files/scale_tuner_540x540_ca4b93c6b3f2eddd959ab778b2aeb2a0.jpg?impolicy=resize&imwid=271&imhei=271)
Scale Tuner Discontinued
Scale Tuner allows you to change the tuning of a compatible Yamaha keyboard or digital piano to Arabic or pure temperament tuning.Scale Tuner is only available in the countries where Apple Inc. offers Apple Store.