chord_for_frets         Chord for Frets
chords                  A dataset containing chords.
narrow_chord            Narrow (Filter) Chord Selection
notes_for_frets         This function is similar to 'chord_for_frets'
                        but also handles scales. Unlike
                        chords_for_frets, this function removes NAs.
                        This means there are no muted strings
                        identified if a chord is passed in the frets
                        argument.
select_chords           Select chords by criteria
tablature               Create guitar chord tablature chart.
