Shows 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, includes a fingerboard with all the frets numbered and the corresponding notes shown in standard notation. Also applicable to the tenor mandola, which uses the same tuning. Unfolds to 17.5" by 11.75".