+ SCM third = scm_assoc (scm_from_int (2),
+ c_pitchlist);
+ bool minor = (scm_is_pair (third)
+ && scm_is_number (scm_cdr (third))
+ && ly_scm2rational (scm_cdr (third)) == FLAT_ALTERATION);
+
+ audio_ = new Audio_key (scm_to_int (acc),
+ !minor);
+
+ Audio_element_info info (audio_, key_ev_);