Main ideas
- Sharp means one fret higher.
- Flat means one fret lower.
- C# and Db are the same pitch on guitar.
- F#/Gb and G#/Ab work the same way.
- Adding enharmonic note names helps you read more charts and diagrams.
The in-between notes complete the fretboard picture.
Sharps and flats are the notes between most natural-note pairs. On guitar, a sharp and its flat equivalent are the same fret and the same pitch.
Open-string notes are highlighted differently from fretted notes, and this lesson highlights its key notes in green.