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diff --git a/src/commands/matrix/MatrixEraseCommand.cpp b/src/commands/matrix/MatrixEraseCommand.cpp
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+++ b/src/commands/matrix/MatrixEraseCommand.cpp
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "MatrixEraseCommand.h"
+
+#include <klocale.h>
+#include "base/Event.h"
+#include "base/NotationTypes.h"
+#include "base/Segment.h"
+#include "base/SegmentMatrixHelper.h"
+#include "document/BasicCommand.h"
+
+
+namespace Rosegarden
+{
+
+MatrixEraseCommand::MatrixEraseCommand(Segment &segment,
+                                       Event *event) :
+        BasicCommand(i18n("Erase Note"),
+                     segment,
+                     event->getAbsoluteTime(),
+                     event->getAbsoluteTime() + event->getDuration(),
+                     true),
+        m_event(event),
+        m_relayoutEndTime(getEndTime())
+{
+    // nothing
+}
+
+timeT MatrixEraseCommand::getRelayoutEndTime()
+{
+    return m_relayoutEndTime;
+}
+
+void MatrixEraseCommand::modifySegment()
+{
+    SegmentMatrixHelper helper(getSegment());
+
+    std::string eventType = m_event->getType();
+
+    if (eventType == Note::EventType) {
+
+        helper.deleteNote(m_event, false);
+
+    }
+}
+
+}