iPad & iPhone

The Guitar Chord Challenge
Music
Bass Guitar Scales in Colour
Music
Bass Guitar Colour Scales
Music
Magic Circle of Fifths
Education
Guitar Chords in Colours
Music
Guitar Flash Chords
Music

iPad

Mac

Bass Guitar Scales in Colour
Music
Bass Guitar Colour Scales
Music
Chords and Scales for Piano
Music
Guitar Chords in Colour
Music
Guitar Scales in Colour
Music
Magic Circle of 5ths
Music