- start_c0_ = robust_scm2int (get_property ("middleCPosition"), 0);
- start_key_sig_ = get_property ("keySignature");
+ int clef_pos = robust_scm2int (get_property ("middleCClefPosition"), 0);
+ int offset = robust_scm2int (get_property ("middleCOffset"), 0);
+
+ start_c0_ = clef_pos + offset;
+ start_key_sig_ = get_property ("keyAlterations");