How to Use:
1. Select Root & Scale
2. Adjust tuning (left side)
3. Notes highlight as:
   • R = Root
   • M3/m3 = Major/Minor 3rd
   • P5 = Perfect 5th
   • M7/m7 = Major/Minor 7th
4. Explore the fretboard — visualize intervals, chord tones, and scale shapes
5. Click “Reset Fretboard” to start fresh
6. Toggle Descending Mode to flip the scale and challenge how you think