diff --git a/instrument-core/src/main/java/jomu/instrument/workspace/tonemap/NoteTracker.java b/instrument-core/src/main/java/jomu/instrument/workspace/tonemap/NoteTracker.java
index 3db20df9..c3693ef0 100644
--- a/instrument-core/src/main/java/jomu/instrument/workspace/tonemap/NoteTracker.java
+++ b/instrument-core/src/main/java/jomu/instrument/workspace/tonemap/NoteTracker.java
@@ -969,11 +969,6 @@ public int compare(ChordNote c1, ChordNote c2) {
 				for (NoteListElement nnle : newNotes) {
 					track.addNote(nnle);
 					if (lastNote != null && lastNote.endTime >= startTime) {
-						if (track.number == 1) {
-							LOG.severe(">>CN 2: " + time + ", " + startTime + ", " + lastNote.endTime + ", "
-									+ nnle.startTime);
-
-						}
 						return;
 					}
 				}
diff --git a/instrument-core/src/main/resources/instrument-chords.properties b/instrument-core/src/main/resources/instrument-chords.properties
new file mode 100644
index 00000000..8f7a5564
--- /dev/null
+++ b/instrument-core/src/main/resources/instrument-chords.properties
@@ -0,0 +1,35 @@
+#Sat Apr 20 16:47:29 BST 2024
+actuation.voice.midiPlayChord1Switch=true
+actuation.voice.playMidi=true
+audio.tuner.formantFactor=94
+audio.tuner.formantHigh=97
+audio.tuner.formantLow=71
+audio.tuner.formantMid=83
+audio.tuner.harmonicOperatorSwitch=true
+audio.tuner.n1Switch=true
+audio.tuner.n2Switch=true
+audio.tuner.n3Switch=true
+audio.tuner.n4Switch=true
+audio.tuner.n5Switch=true
+audio.tuner.n6Switch=true
+audio.tuner.noteLow=3
+audio.tuner.noteMinDuration=79
+control.parameter.style=ai-voice-male-best
+monitor.tonemap.view.highThreshold=0.69
+monitor.tonemap.view.lowThreshold=0.0001
+monitor.view.showChords=true
+monitor.view.timeAxisRange=10107
+perception.hearing.audioDefaultFile=GUITAR_4CHORD_10secC3.mp3
+perception.hearing.audioRange=14000
+perception.hearing.autocorrelation.sacfSwitch=false
+perception.hearing.autocorrelation.undertoneRemoveSwitch=false
+perception.hearing.cq.lowThreshold=0.01
+perception.hearing.cq.postHarmonicsSwitch=true
+perception.hearing.cq.sharpenHarmonicSwitch=true
+perception.hearing.cq.whitenCompensateSwitch=true
+perception.hearing.hps.medianSwitch=false
+perception.hearing.maximumFrequencyInCents=9000
+perception.hearing.microToneSwitch=false
+perception.hearing.notate.applyFormantsSwitch=true
+perception.hearing.synthesis.fillChordsSwitch=true
+perception.hearing.synthesis.fillNotesSwitch=true
diff --git a/instrument-core/src/main/resources/instrumentai/4notes10secA2.mid b/instrument-core/src/main/resources/instrumentai/PIANO_4CHORD_10secC2.mid
similarity index 100%
rename from instrument-core/src/main/resources/instrumentai/4notes10secA2.mid
rename to instrument-core/src/main/resources/instrumentai/PIANO_4CHORD_10secC2.mid
diff --git a/instrument-core/src/main/resources/parameter-validation.properties b/instrument-core/src/main/resources/parameter-validation.properties
index 2d61f361..b4e95b4d 100644
--- a/instrument-core/src/main/resources/parameter-validation.properties
+++ b/instrument-core/src/main/resources/parameter-validation.properties
@@ -98,7 +98,7 @@ perception.hearing.notate.compression=0>100
 
 perception.hearing.synthesis.quantizeRange=0>10000
 perception.hearing.synthesis.quantizePercent=0>100
-perception.hearing.synthesis.quantizeBeat=0>16
+perception.hearing.synthesis.quantizeBeat=1>16
 perception.hearing.synthesis.minTimeIncrement=0>10
 perception.hearing.synthesis.baseMeasure=0>100
 perception.hearing.synthesis.baseOctave=0>12
diff --git a/instrument-desktop/src/main/java/jomu/instrument/desktop/monitor/swing/ParametersPanel.java b/instrument-desktop/src/main/java/jomu/instrument/desktop/monitor/swing/ParametersPanel.java
index b7d15e33..adda8ff8 100644
--- a/instrument-desktop/src/main/java/jomu/instrument/desktop/monitor/swing/ParametersPanel.java
+++ b/instrument-desktop/src/main/java/jomu/instrument/desktop/monitor/swing/ParametersPanel.java
@@ -52,7 +52,7 @@ public class ParametersPanel extends JPanel {
 	private static final Logger LOG = Logger.getLogger(ParametersPanel.class.getName());
 
 	private final static Integer[] fftSizes = { 256, 512, 1024, 2048, 4096, 8192, 16384, 22050, 32768, 65536, 131072 };
-	private final static String[] styles = { "default", "normalised", "ensemble", "guitar", "piano", "vocal",
+	private final static String[] styles = { "default", "chords", "normalised", "ensemble", "guitar", "piano", "vocal",
 			"vocal-folk", "vocal-male", "vocal-female", "tapes", "tapes-fast", "robin", "birds", "blackbird",
 			"bird-alt1",
 			"bird-best", "bird-scaled", "bird-mix", "classical", "folk", "folky", "folky-clean", "folk-pluck", "bach",