A five-degree circle teaching aid capable of fast query and inference

Abstract

The utility model discloses a five circle teaching aid of quick inquiry and inference relates to music teaching aid technical field, including the bottom disc, the middle disc and the top disc that are sequentially arranged from bottom to top, and the middle disc and the top disc are rotatably connected on the center of bottom disc through the pivot, the back surface of bottom disc is equipped with a circle major scale and a circle minor scale, the middle disc is equipped with a circle major scale number, a circle minor scale number, a circle major scale hole position for exposing major scale and a circle minor scale hole position for exposing minor scale, the top disc is equipped with a circle major scale hole position for exposing major scale and major scale number and a circle minor scale hole position for exposing minor scale and minor scale number, the utility model discloses the mode of rotating middle disc to determine major or minor, to show the interval structure whole tone and semitone of the tone, to show the law of mode scale, to let student can find corresponding mode scale manually, to make student more convenient to grasp the law of mode scale, to deepen memory, to recite mode scale more easily.

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