diff -uNr orig/modplug.cpp src/modplug.cpp
--- orig/modplug.cpp	2006-03-19 22:29:04.000000000 -0500
+++ src/modplug.cpp	2007-12-17 17:17:42.000000000 -0500
@@ -168,6 +168,18 @@
 	return ( file->mSoundFile.m_nMixChannels < file->mSoundFile.m_nMaxMixChannels ? file->mSoundFile.m_nMixChannels : file->mSoundFile.m_nMaxMixChannels );
 }
 
+void ModPlug_MuteChannel(ModPlugFile* file, int chan) {
+	if(chan < 0 || chan >= MAX_CHANNELS)
+		return;
+	file->mSoundFile.Chn[chan].dwFlags |= CHN_MUTE;
+}
+
+void ModPlug_UnmuteChannel(ModPlugFile* file, int chan) {
+	if(chan < 0 || chan >= MAX_CHANNELS)
+		return;
+	file->mSoundFile.Chn[chan].dwFlags &= ~CHN_MUTE;
+}
+
 void ModPlug_SeekOrder(ModPlugFile* file,int order)
 {
 	file->mSoundFile.SetCurrentOrder(order);
diff -uNr orig/modplug.h src/modplug.h
--- orig/modplug.h	2006-03-19 22:28:35.000000000 -0500
+++ src/modplug.h	2007-12-17 17:12:14.000000000 -0500
@@ -109,6 +109,9 @@
 int ModPlug_GetCurrentRow(ModPlugFile* file);
 int ModPlug_GetPlayingChannels(ModPlugFile* file);
 
+void ModPlug_MuteChannel(ModPlugFile* file, int chan);
+void ModPlug_UnmuteChannel(ModPlugFile* file, int chan);
+
 void ModPlug_SeekOrder(ModPlugFile* file,int order);
 int ModPlug_GetModuleType(ModPlugFile* file);
 char* ModPlug_GetMessage(ModPlugFile* file);