+#include <gtkmm/box.h>
+#include <gtkmm/checkbutton.h>
+#include <gtkmm/button.h>
+#include <gtkmm/table.h>
+#include <gtkmm/entry.h>
+#include <gtkmm/label.h>
+#include <gtkmm/paned.h>
+#include <gtkmm/scrolledwindow.h>
+
+#include "pbd/signals.h"
+
+#include "ardour/location.h"
+#include "ardour/session_handle.h"