SCM func = me->get_elt_property (ly_symbol2scm ("chord-name-function"));
SCM text = gh_call3 (func, style, pitches, gh_cons (inversion, bass));
SCM func = me->get_elt_property (ly_symbol2scm ("chord-name-function"));
SCM text = gh_call3 (func, style, pitches, gh_cons (inversion, bass));