Essential chords and secondary minor chord relationships in all 12 keys for the tenor banjo in C-G-D-A tuning. The chords shown for each root note are major, seventh, minor, diminished, and augmented, with relative minor I, IV, and V7 chords. The fingerboard is also shown with all the frets numbered and the corresponding notes shown in standard notation. Also suitable for the tenor mandola, which uses the same tuning. Unfolds to 17.5" by 11.75".