Eun Jae Lee

A master grade and the latest Circle of 5ths in the series.This App is a new design and concept including all the features that were on previous editi …

The App that helps you to learn all major and minor keys fast!!This App will help you to memorize and understand the Circle of Fifths. It is a must ha …

Circle of 5ths Clock! This is a fun way to master circle of fifths. NOTE: The clock numbers represent the number of sharps and flats· Analog clock + C …

Lifetime musician’s companion!• New Additions- The Guide: You will discover regular patterns or algorithms.Use the guide dots to understand the circle …

Lifetime musician’s companion!New and improved in every dimension!The ultimate goal of this app is to master the comprehensive musical materials with …

Circle of 5ths is essential for all kinds of music. It is absolutely important for musicians to have a basic understanding of how the perfect 5th and …

Circle of 5ths is essential for all kinds of music. It is absolutely important for musicians to have a basic understanding of how the perfect 5th and …

All in one App!Circle of 5ths is essential for all kinds of music. It is absolutely important for musicians to have a basic understanding of how the p …

Circle of 5ths is essential for all kinds of music. It is absolutely important for musicians to have a basic understanding of how the perfect 5th and …

All in one App!Circle of 5ths is essential for all kinds of music. It is absolutely important for musicians to have a basic understanding of how the p …