| 摘要 |
A music notation display device for displaying the notations of music forms such as scales and chords. In the basic structure the device is composed of two disk-like members. The base disk has indicia formed thereon representing intervals of musical notes. The second member functions as a template and is rotatably mounted to the base disk. The indicia of the top disk are brought into alignment with the indicia of the base disk so as to allow the display of the notes of selected music forms. |
