diff --git a/ld_script.txt b/ld_script.txt
index 68fcaf28b..b04f63721 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -644,7 +644,7 @@ SECTIONS {
         sound/songs/midi/se_i.o(.rodata);
         sound/songs/se_u.o(.rodata);
         sound/songs/midi/se_e.o(.rodata);
-        sound/songs/se_o.o(.rodata);
+        sound/songs/midi/se_o.o(.rodata);
         sound/songs/midi/se_n.o(.rodata);
         sound/songs/se_seikai.o(.rodata);
         sound/songs/midi/se_hazure.o(.rodata);
diff --git a/songs.mk b/songs.mk
index 04763ca07..2f11cdaba 100644
--- a/songs.mk
+++ b/songs.mk
@@ -972,5 +972,8 @@ $(MID_SUBDIR)/se_naminori.s: %.s: %.mid
 $(MID_SUBDIR)/se_nigeru.s: %.s: %.mid
 	$(MID) $< $@ -E -R$(STD_REVERB) -G127 -V090 -P5
 
+$(MID_SUBDIR)/se_o.s: %.s: %.mid
+	$(MID) $< $@ -E -R$(STD_REVERB) -G128 -V120 -P4
+
 $(MID_SUBDIR)/se_z_search.s: %.s: %.mid
 	$(MID) $< $@ -E -R$(STD_REVERB) -G127 -P5
diff --git a/sound/songs/midi/se_o.mid b/sound/songs/midi/se_o.mid
new file mode 100644
index 000000000..5dfc32727
Binary files /dev/null and b/sound/songs/midi/se_o.mid differ
diff --git a/sound/songs/se_o.s b/sound/songs/se_o.s
deleted file mode 100644
index a9c294f66..000000000
--- a/sound/songs/se_o.s
+++ /dev/null
@@ -1,45 +0,0 @@
-	.include "MPlayDef.s"
-
-	.equ	se_o_grp, voicegroup128
-	.equ	se_o_pri, 4
-	.equ	se_o_rev, reverb_set+50
-	.equ	se_o_mvl, 127
-	.equ	se_o_key, 0
-	.equ	se_o_tbs, 1
-	.equ	se_o_exg, 0
-	.equ	se_o_cmp, 1
-
-	.section .rodata
-	.global	se_o
-	.align	2
-
-@********************** Track  1 **********************@
-
-se_o_1:
-	.byte	KEYSH , se_o_key+0
-	.byte	TEMPO , 240*se_o_tbs/2
-	.byte		VOICE , 126
-	.byte		BENDR , 12
-	.byte		VOL   , 120*se_o_mvl/mxv
-	.byte		BEND  , c_v+0
-	.byte		N72   , Cn3 , v127
-	.byte	W24
-	.byte	W24
-	.byte	W24
-	.byte	W24
-	.byte	FINE
-
-@******************************************************@
-	.align	2
-
-se_o:
-	.byte	1	@ NumTrks
-	.byte	0	@ NumBlks
-	.byte	se_o_pri	@ Priority
-	.byte	se_o_rev	@ Reverb.
-
-	.word	se_o_grp
-
-	.word	se_o_1
-
-	.end