價格：免費
檔案大小：15.5 MB
版本需求：系統需求：iOS 10.3 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Tired of playing the same G, C, Am etc. all the time?
All the possible chords for the Soprano, Concert, Tenor and Bariton on one screen.
Uniquely colour coded.
Choose the key and there you go!
支援平台：iPhone, iPad