This dedicated app enhances the performance of the YDS-150 and further expands the range of sound creation—and includes instrument settings and sound editing. You can make detailed settings intuitively and visually from the app, that cannot be done on the instrument itself. ≪Function≫ Editing voices　 You can easily change saxophone tones such as alto, soprano, tenor, and baritone tones, as well as synthesizer tones and shakuhachi tones. You can also adjust effects and make detailed sounds. Edit fingering You can customize the fingertips by changing them or adding new ones. Instrument settings You can adjust the blowing feeling such as breath resistance and response, and change the settings such as tuning. Fingering list It is possible to display the registered fingers in a list. It is useful to check the fingering.