Circle of Fifths, Opus 1!

A music theory tool for beginner musicians, Circle of Fifths, Opus 1 is a pocket reference for analyzing, transposing, and composing music. This app focuses on major and relative minor scales and chord progressions. Made in NYC.

English 日本語 Sound Studio Tech Specs ow To ser Manual AQ ownloads https://itunes.apple.com/us/app/sound-studio/id405537804?mt
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