價格：免費
更新日期：2019-01-24
檔案大小：3.2M
目前版本：1.8
版本需求：Android 4.1 以上版本
官方網站：mailto:WeSoftLab@gmail.com
Email：http://guitar-tools.org/policy/circle.html
聯絡地址：Porika st. 17, Kyiv, Ukraine
It`s a small lightweight application of Circle of Fifths. In music theory, the circle of fifths (or circle of fourths) is the relationship among the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys.
At the top, you have the key of C major, which has no sharps or flats in its key signature. Each stop on the circle as you go clockwise from C is a key with one more sharp than the previous key. Each stop as you go down counter-clockwise from C is a key with one more flat than the previous key.