diff --git a/mml2vgm/CHANGE.txt b/mml2vgm/CHANGE.txt
index 295277e..3260924 100644
--- a/mml2vgm/CHANGE.txt
+++ b/mml2vgm/CHANGE.txt
@@ -1,4 +1,10 @@
 更新履歴
+TAG754 2024/12/8 2nd
+  Core:PartCounter:.gwi:PPコマンド修正。
+  Core:OPN系(OPNA2除く):yXXコマンドCh3Ex向け修正。
+    参照パラメータがEXパート同士で共有されません。
+    音色部分適応機能の考慮はしません。(これはCh3Ex以外でも同じ)
+
 TAG753 2024/12/8
   Core:PartCounter:.gwi:PPコマンド追加。パートの表示順を指定できます。
 
diff --git a/mml2vgm/Corex64/chips/clsOPN.cs b/mml2vgm/Corex64/chips/clsOPN.cs
index 6fc4e3b..9b85a6b 100644
--- a/mml2vgm/Corex64/chips/clsOPN.cs
+++ b/mml2vgm/Corex64/chips/clsOPN.cs
@@ -1190,7 +1190,44 @@ public void OutFmSetInstrument(partPage page, MML mml, int n, int vol, char type
                     break;
             }
 
+
+            //迴ｾ蝨ｨ縺ｮ髻ｳ濶ｲ縺ｮ繝代Λ繝｡繝ｼ繧ｿ繧定ｨ俶�ｶ縺吶ｋ(y繧ｳ繝槭Φ繝峨〒蜿ら�ｧ縺輔ｌ繧�)
             page.currentInstrument = CopyInstrument(parent.instFM[n]);
+            if (!(page.chip is YM2609))
+            {
+                if (isDef && (page.ch == 2 || page.ch == m + 3 || page.ch == m + 4 || page.ch == m + 5))
+                {
+                    page.chip.lstPartWork[2].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                    page.chip.lstPartWork[m + 3].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                    page.chip.lstPartWork[m + 4].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                    page.chip.lstPartWork[m + 5].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                }
+            }
+            else
+            {
+                if (page.chip.lstPartWork[2].cpg.Ch3SpecialMode && page.ch >= 12 && page.ch < 15)
+                {
+                    if (isDef)
+                    {
+                        page.chip.lstPartWork[2].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                        page.chip.lstPartWork[12].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                        page.chip.lstPartWork[13].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                        page.chip.lstPartWork[14].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                    }
+                }
+                if (page.chip.lstPartWork[8].cpg.Ch3SpecialMode && page.ch >= 15 && page.ch < 18)
+                {
+                    if (isDef)
+                    {
+                        page.chip.lstPartWork[8].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                        page.chip.lstPartWork[15].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                        page.chip.lstPartWork[16].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                        page.chip.lstPartWork[17].cpg.currentInstrument = CopyInstrument(parent.instFM[n]);
+                    }
+                }
+            }
+
+
 
             if (!(page.chip is YM2612X2))
             {
diff --git a/mml2vgm/mml2vgmIDEx64/MMLParameter/Instrument.cs b/mml2vgm/mml2vgmIDEx64/MMLParameter/Instrument.cs
index 773f1ae..22a75ee 100644
--- a/mml2vgm/mml2vgmIDEx64/MMLParameter/Instrument.cs
+++ b/mml2vgm/mml2vgmIDEx64/MMLParameter/Instrument.cs
@@ -83,7 +83,7 @@ public Instrument(int n, SoundManager.Chip chip, Setting setting,MIDIKbd midiKbd
                 volMode[i] = 0;
                 beforeTie[i] = false;
                 partColor[i] = 1;
-                partPriority[i] = 100;
+                partPriority[i] = i;
             }
             TraceInfoOld = new outDatum[n];
             this.chip = chip;
diff --git a/mml2vgm/mml2vgmIDEx64/form/FrmPartCounter.cs b/mml2vgm/mml2vgmIDEx64/form/FrmPartCounter.cs
index 7f87b78..c745cad 100644
--- a/mml2vgm/mml2vgmIDEx64/form/FrmPartCounter.cs
+++ b/mml2vgm/mml2vgmIDEx64/form/FrmPartCounter.cs
@@ -67,7 +67,7 @@ public FrmPartCounter(Setting setting)
         {
             InitializeComponent();
             this.setting = setting;
-            comparer=new PartRowComparer(SortOrder.Descending);
+            comparer=new PartRowComparer(SortOrder.Ascending);
 
             dgvPartCounter.BackgroundColor = Color.FromArgb(setting.ColorScheme.PartCounter_BackColor);
             dgvPartCounter.DefaultCellStyle.BackColor = Color.FromArgb(setting.ColorScheme.PartCounter_BackColor);
diff --git a/mml2vgm_MMLCommandMemo.txt b/mml2vgm_MMLCommandMemo.txt
index 234a93e..6fda149 100644
--- a/mml2vgm_MMLCommandMemo.txt
+++ b/mml2vgm_MMLCommandMemo.txt
@@ -1072,8 +1072,8 @@ ___             -oooooooooooooooooooooooooooooooooooooooooooooooooooooo  螻�謇�
 PCn             ooooooooooooooooooooooooooooooooooooooooooooooooooooooo  繝代�ｼ繝医き繝ｩ繝ｼ(0 - 63 def:1)IDE縺ｮ繝代�ｼ繝郁牡繧呈欠螳壹☆繧九��
                                                                            0:鮟� 1:髱� 2:襍､ 3:邏ｫ 4:邱� 5:豌ｴ 6:鮟� 7:逋ｽ
                                                                            8:muap鬚ｨ蜻ｳ濶ｲ 9-15:譛�螟ｧ髻ｳ驥乗凾縲∬ｵ､縺ｫ縺ｪ繧九�� 16莉･髯�63縺ｾ縺ｧ縺ｯ郢ｰ繧願ｿ斐＠
-PPn             ooooooooooooooooooooooooooooooooooooooooooooooooooooooo  繝代�ｼ繝郁｡ｨ遉ｺ蜆ｪ蜈亥ｺｦ(0 - 65535 def:100)
-                                                                           partcounter逕ｻ髱｢縺ｧ縺ｮ陦ｨ遉ｺ鬆�繧貞､画峩縺吶ｋ縲ょ�､縺悟､ｧ縺阪＞縺ｻ縺ｩ荳翫↓陦ｨ遉ｺ縺輔ｌ縺ｾ縺�(驥阪＞縺ｧ縺�)
+PPn             ooooooooooooooooooooooooooooooooooooooooooooooooooooooo  繝代�ｼ繝郁｡ｨ遉ｺ蜆ｪ蜈亥ｺｦ(0 - 65535 def:陦檎分蜿ｷ(0蟋九∪繧�))
+                                                                           partcounter逕ｻ髱｢縺ｧ縺ｮ陦ｨ遉ｺ鬆�繧貞､画峩縺吶ｋ縲ょ�､縺悟ｰ上＆縺�縺ｻ縺ｩ荳翫↓陦ｨ遉ｺ縺輔ｌ縺ｾ縺�(蜃ｦ逅�驥阪＞縺ｧ縺�)
                                                                        
 c               -oooooooooooooooooooooooooooooooooooooooooooooooooooooo  髻ｳ隨ｦ繝�
 d               -oooooooooooooooooooooooooooooooooooooooooooooooooooooo  髻ｳ隨ｦ繝ｬ