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diff --git a/src/gui/editors/guitar/Chord.cpp b/src/gui/editors/guitar/Chord.cpp
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+++ b/src/gui/editors/guitar/Chord.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 "Chord.h"
+#include "base/Event.h"
+
+#include <qstring.h>
+
+namespace Rosegarden
+{
+
+namespace Guitar
+{
+const std::string Chord::EventType              = "guitarchord";
+const short Chord::EventSubOrdering             = -60;
+const PropertyName Chord::RootPropertyName      = "root";
+const PropertyName Chord::ExtPropertyName       = "ext";
+const PropertyName Chord::FingeringPropertyName = "fingering";
+
+
+Chord::Chord()
+    : m_isUserChord(false)
+{
+}
+
+Chord::Chord(const QString& root, const QString& ext)
+    : m_root(root),
+      m_ext(ext),
+      m_isUserChord(false)
+{
+    if (m_ext.isEmpty())
+        m_ext = QString::null;
+}
+
+Chord::Chord(const Event& e)
+    : m_isUserChord(false)
+{
+    std::string f;
+    bool ok;
+
+    ok = e.get<String>(RootPropertyName, f);
+    if (ok)
+        m_root = f;
+
+    ok = e.get<String>(ExtPropertyName, f);
+    if (ok) {
+        if (f.length() == 0)
+            m_ext = QString::null;
+        else
+            m_ext = f;
+    }
+    
+    ok = e.get<String>(FingeringPropertyName, f);
+    if (ok) {
+        QString qf(f);
+        QString errString;
+    
+        Fingering fingering = Fingering::parseFingering(qf, errString);    
+        setFingering(fingering);
+    }
+}
+
+Event* Chord::getAsEvent(timeT absoluteTime) const
+{
+    Event *e = new Event(EventType, absoluteTime, 0, EventSubOrdering);
+    e->set<String>(RootPropertyName, m_root);
+    e->set<String>(ExtPropertyName, m_ext);
+    e->set<String>(FingeringPropertyName, getFingering().toString());
+    return e;
+}
+
+const QRegExp Chord::ALT_BASS_REGEXP("/[A-G]");
+
+bool operator<(const Chord& a, const Chord& b)
+{
+    if (a.m_root != b.m_root) {
+        return a.m_root < b.m_root;
+    } else if (a.m_ext != b.m_ext) {
+        if (a.m_ext.isEmpty()) // chords with no ext need to be stored first
+            return true;
+        if (b.m_ext.isEmpty())
+            return false;
+        return a.m_ext < b.m_ext;
+    } else {
+        return a.m_fingering < b.m_fingering;
+    }
+
+}
+
+}
+
+}