1 files changed, 6 insertions, 5 deletions
diff --git a/lily/include/crescendo.hh b/lily/include/crescendo.hh
index cb6b159ad7..915094e1dc 100644
--- a/lily/include/crescendo.hh
+++ b/lily/include/crescendo.hh
@@ -10,21 +10,22 @@
 #ifndef CRESCENDO_HH
 #define CRESCENDO_HH
 
+#include "staff-side.hh"
 #include "spanner.hh"
 /**
   The hairpin symbol. (cresc)
  */
-class Crescendo : public Spanner {
-    int staff_size_i_;
+class Crescendo : public Spanner , public Staff_side {
+
 public:
     int grow_dir_i_;
-    int dir_i_;
-    /// if there is a dynamic at the end, make the sign smaller.
+    
+/// if there is a dynamic at the end, make the sign smaller.
     bool right_dyn_b_;
 
     /// if there is a dynamic at the end, make the sign smaller.
     bool left_dyn_b_;
-    Crescendo(int staff_size_i);
+    Crescendo();
 private:
     Spanner* do_break_at( PCol*, PCol*) const;
     Molecule*brew_molecule_p()const;