diff --git a/ChangeLog b/ChangeLog
index 0cdadee9c..a39f4a3ed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-11-24	Andrew Kelley	<superjoe30/at/gmail/dot/com>
+
+	* src/core/basic_ops.cpp:
+	* include/note.h:
+	* include/pattern.h:
+	* src/tracks/pattern.cpp:
+	fixed piano roll not playing notes glitch
+
 2008-11-24	Tobias Doerffel	<tobydox/at/users/dot/sourceforge/dot/net>
 
 	* src/core/basic_ops.cpp:
diff --git a/include/note.h b/include/note.h
index e126712c8..50b6f0520 100644
--- a/include/note.h
+++ b/include/note.h
@@ -100,11 +100,13 @@ public:
 	void quantizeLength( const int _q_grid );
 	void quantizePos( const int _q_grid );
 
-	inline bool operator<(const note & rhs)
+	static inline bool lessThan(note * &lhs, note * &rhs)
 	{
-		return m_pos < rhs.pos();
+		// function to compare two notes - must be called explictly when
+		// using qSort
+		return (bool) ((int) ( *lhs ).pos() < (int) ( *rhs ).pos());
 	}
-
+		
 	inline bool getSelected( void ) const
 	{
 		return m_selected;
diff --git a/include/pattern.h b/include/pattern.h
index d256e90a4..cb75581ae 100644
--- a/include/pattern.h
+++ b/include/pattern.h
@@ -133,6 +133,10 @@ public:
 
 
 	using model::dataChanged;
+		
+		
+	void printNotes( void ); // for debugging purposes
+	
 
 
 protected:
diff --git a/src/tracks/pattern.cpp b/src/tracks/pattern.cpp
index c6ff2c064..d6f4a141f 100644
--- a/src/tracks/pattern.cpp
+++ b/src/tracks/pattern.cpp
@@ -34,6 +34,8 @@
 #include <QtGui/QPainter>
 #include <QtGui/QProgressBar>
 #include <QtGui/QPushButton>
+#include <QtAlgorithms>
+
 
 
 #include "pattern.h"
@@ -96,8 +98,6 @@ pattern::pattern( const pattern & _pat_to_copy ) :
 }
 
 
-
-
 pattern::~pattern()
 {
 	for( noteVector::iterator it = m_notes.begin();
@@ -183,6 +183,17 @@ midiTime pattern::beatPatternLength( void ) const
 
 
 
+void pattern::printNotes( void )
+{
+	for( noteVector::iterator it = m_notes.begin(); it != m_notes.end();
+									++it )
+	{
+		printf("note (pos = %i)\n", (int) ( *it )->pos() );
+	}
+	printf("\n");
+}
+
+
 
 note * pattern::addNote( const note & _new_note, const bool _quant_pos )
 {
@@ -270,17 +281,14 @@ note * pattern::rearrangeNote( const note * _note_to_proc,
 
 
 
-
 void pattern::rearrangeAllNotes( void )
 {
 	// sort notes by start time	
-	qSort(m_notes.begin(), m_notes.end());
-	
+	qSort(m_notes.begin(), m_notes.end(), note::lessThan );
 }
 
 
 
-
 void pattern::clearNotes( void )
 {
 	engine::getMixer()->lock();