#(define-music-function (parser location key-symbol tuning shape-definition)
(symbol? pair? string-or-pair?)
(_i "Add chord shape @var{shape-definition} to the @var{chord-shape-table}
#(define-music-function (parser location key-symbol tuning shape-definition)
(symbol? pair? string-or-pair?)
(_i "Add chord shape @var{shape-definition} to the @var{chord-shape-table}