Eun Jae Lee

This App, ‘Chord & Triad’ is a comprehensive learning tool for all levels.This is a perfect tool for

This is a great tool for learning and exploring extended chords.The App that will help you to master

Circle of 5ths Clock! This is a fun way to master circle of fifths. NOTE: The clock numbers represen

The App that helps you to learn all major and minor keys fast!! This App will help you to memorize a

Circle of 5ths App is your music teacher, trainer and also can be a portable tool, book, reference,

All in one App!Circle of 5ths is essential for all kinds of music. It is absolutely important for mu

A master grade and the latest Circle of 5ths in the series.This App is a new design and concept incl

Circle of 5ths trilogy.This Master edition is the next version of Circle of 5ths Pro that covers up

If the interval of 5th (P5) goes further up or down from the key of C# and Cb, then there are more k

Circle of 5ths App is your music teacher, trainer and also can be a portable tool, book, reference,