價格：免費
更新日期：2018-08-09
檔案大小：4.3 MB
目前版本：2.01.03
版本需求：需要 iOS 11.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Make learning scales easy! You don't need to memorize twelve scales (and their variations) -- just learn the 12 TetraChords!
They are stacked in Circle of Fifths order, and it will be easy to spot the 3rd, 5th, and 7th of each scale/chord for adjusting to other scale modes.
支援平台：iPhone