diff --git a/mml2vgm/CHANGE.txt b/mml2vgm/CHANGE.txt
index 3364816..1a62306 100644
--- a/mml2vgm/CHANGE.txt
+++ b/mml2vgm/CHANGE.txt
@@ -1,4 +1,7 @@
 更新履歴
+TAG757 2024/12/10
+  Core:PartCounter:memo欄のbug修正
+
 TAG756 2024/12/9 2nd
   Core:PartCounter:mucomDotNETを演奏時、パート順が乱れるのを修正
 
diff --git a/mml2vgm/mml2vgmIDEx64/MMLParameter/Conductor.cs b/mml2vgm/mml2vgmIDEx64/MMLParameter/Conductor.cs
index e018ffd..1e1f9ff 100644
--- a/mml2vgm/mml2vgmIDEx64/MMLParameter/Conductor.cs
+++ b/mml2vgm/mml2vgmIDEx64/MMLParameter/Conductor.cs
@@ -49,10 +49,17 @@ protected override void SetNote(outDatum od, int ch, int cc)
 
         protected override void SetLyric(outDatum od, int ch, int cc)
         {
-            int ls = (int)od.args[1];
-            notecmd[od.linePos.ch] = "lyric";
-            length[od.linePos.ch] = string.Format("{0:0.##}(#{1:d})", 1.0 * cc / ls, ls);
-            keyOnMeter[od.linePos.ch] = (int)(255.0);
+            if (od.args.Count > 1)
+            {
+                int ls = (int)od.args[1];
+                notecmd[od.linePos.ch] = "lyric";
+                length[od.linePos.ch] = string.Format("{0:0.##}(#{1:d})", 1.0 * cc / ls, ls);
+                keyOnMeter[od.linePos.ch] = (int)(255.0);
+                return;
+            }
+
+            //繝｡繝｢
+            memo[ch] = (string)od.args[0];
         }
 
     }