Simple Diagram - Guitar Scale

- Very simple guitar scale diagram.
- You can understand the scale notes by the keyboard and fretboard.
- You can filter out unwanted notes or add notes you need.
- Also useful to learn the chord tones.
- Tap the fingerboard to check the note sounds.
- You can add the scales very easy.
- You can switch the display the intervals or the note names.
- You can display the fretboard for lefty.