4 \addChordShape #'bes #guitar-tuning #"x;1-1-(;3-2;3-3;3-4;1-1-);"
8 \storePredefinedDiagram \chordmode {bes}
10 #(chord-shape 'bes guitar-tuning)
12 \storePredefinedDiagram \chordmode {c}
14 #(offset-fret 2 (chord-shape 'bes guitar-tuning))
16 mychords = \chordmode {