-#include <pbd/stateful.h>
-#include <ardour/session.h>
-#include <ardour/tempo.h>
-#include <ardour/stretch.h>
-#include <ardour/location.h>
-#include <ardour/audioregion.h>
-#include <ardour/track.h>
+#include "pbd/stateful.h"
+#include "ardour/session.h"
+#include "ardour/tempo.h"
+#include "ardour/stretch.h"
+#include "ardour/location.h"
+#include "ardour/audioregion.h"
+#include "ardour/track.h"
+#include "ardour/types.h"