diff --git a/src/res3/Script1.rc b/src/res3/Script1.rc
index bd8e8b6..2afbae1 100644
--- a/src/res3/Script1.rc
+++ b/src/res3/Script1.rc
@@ -42,6 +42,7 @@ BEGIN
     POPUP "Sound"
     BEGIN
         MENUITEM "FM Sound",                    ID_SOUND_FM
+        MENUITEM "MIDI Sound",                  ID_SOUND_MIDI
         MENUITEM "CD Audio",                    ID_SOUND_CD
     END
     POPUP "Message"
diff --git a/src/res3/resource.h b/src/res3/resource.h
index bc16453..c48f571 100644
--- a/src/res3/resource.h
+++ b/src/res3/resource.h
@@ -25,9 +25,10 @@
 #define ID_SCREEN_WINDOW                40003
 #define ID_SCREEN_FULL                  40004
 #define ID_SOUND_FM                     40005
-#define ID_SOUND_CD                     40006
-#define ID_TEXT_SKIP                    40007
-#define ID_TEXT_WAIT                    40008
+#define ID_SOUND_MIDI                   40006
+#define ID_SOUND_CD                     40007
+#define ID_TEXT_SKIP                    40008
+#define ID_TEXT_WAIT                    40009
 
 // Next default values for new objects
 // 
diff --git a/src/sys/mako.h b/src/sys/mako.h
index ddc213a..f30c830 100644
--- a/src/sys/mako.h
+++ b/src/sys/mako.h
@@ -16,6 +16,7 @@
 
 enum BGMDevice {
 	BGM_FM,
+	BGM_MIDI,
 	BGM_CD
 };
 
diff --git a/src/win/mako.cpp b/src/win/mako.cpp
index d4955b2..c73e012 100644
--- a/src/win/mako.cpp
+++ b/src/win/mako.cpp
@@ -350,8 +350,7 @@ void MAKO::stop_music()
 		delete music;
 		music = nullptr;
 	}
-	if (use_fm)
-		SDL_PauseAudio(1);
+	SDL_PauseAudio(1);
 	current_music = 0;
 }
 
@@ -364,12 +363,18 @@ void MAKO::select_sound(BGMDevice dev)
 {
 	// 強制的に音源を変更する
 	int page = current_music;
-	int old_dev = (1 <= page && page <= 99 && cd_track[page]) ? BGM_CD : BGM_FM;
+	int old_dev = (1 <= page && page <= 99 && cd_track[page]) ? BGM_CD :
+		use_fm ? BGM_FM : BGM_MIDI;
 
-	if (dev == BGM_FM) {
+	switch (dev) {
+	case BGM_FM:
+	case BGM_MIDI:
 		for (int i = 1; i <= 99; i++)
 			cd_track[i] = 0;
-	} else {
+		use_fm = dev == BGM_FM;
+		break;
+
+	case BGM_CD:
 		const int8* tracks;
 
 		switch (nact->crc32_a) {
@@ -392,6 +397,7 @@ void MAKO::select_sound(BGMDevice dev)
 			for (int i = 1; i <= 99; i++)
 				cd_track[i] = i;
 		}
+		break;
 	}
 
 	// デバイスが変更された場合は再演奏する
diff --git a/src/win/nact_win.cpp b/src/win/nact_win.cpp
index 974b7e5..516b16a 100644
--- a/src/win/nact_win.cpp
+++ b/src/win/nact_win.cpp
@@ -156,6 +156,9 @@ bool NACT::handle_platform_event(const SDL_Event& e)
 		case ID_SOUND_FM:
 			mako->select_sound(BGM_FM);
 			break;
+		case ID_SOUND_MIDI:
+			mako->select_sound(BGM_MIDI);
+			break;
 		case ID_SOUND_CD:
 			mako->select_sound(BGM_CD);
 			break;