+ return get_music_function_transform (x);
+}
+
+LY_DEFINE (ly_music_function_signature, "ly:music-function-signature", 1, 0, 0,
+ (SCM x),
+ "Return the function signature inside@tie{}@var{x}.")
+{
+ LY_ASSERT_TYPE (is_music_function, x, 1);
+
+ return get_music_function_signature (x);