For pianists, guitarists, or other instrumentalist who need to develop basic harmonic.
Facilitates the development of chords in any key, due to the easy viewing of adordes in any key.
This Application will make it easier to transport any melody or song just display.
Select the key, and have transported all the chords.
Very useful for playing live with a tablet.
With just select the key you will visualize the nature of each chord.