Moving left to right, harpejji strings increase in whole tones (C,D,E,F#,G#,A#,C,etc.). The frets increase in semitones (C, C#, D, D#, etc.) as you move away from the player. Having both whole tones and semitones nearby is very handy!
The white markers on the harpejji represent the naturals, or the white notes on a piano. C notes are indicated by hollow white markers. The black markers represent the accidentals, or the black notes on a piano. Clusters of two black notes are C# and D#, while clusters of three black notes are F#, G#, A#, as on a piano.
We are developing a library of chord and scale diagrams to help speed up your learning process. Click on the image above to explore the chord and scale library.