+ CANVAS_DEBUG_NAME (_track_canvas_item, "track canvas cursor");
+
+ _track_canvas_item->set_show_head (0, false);
+ _track_canvas_item->set_show_head (1, false);
+ _track_canvas_item->set_y1 (ArdourCanvas::COORD_MAX);
+ _track_canvas_item->set_ignore_events (true);