diff --git a/include/audio.h b/include/audio.h
index 282b4b9..b6a7e32 100644
--- a/include/audio.h
+++ b/include/audio.h
@@ -19,6 +19,8 @@
 
 #include <stdbool.h>
 
+#define AUDIO_NO_METADATA -1
+
 struct archive_data;
 
 void audio_init(void);
@@ -88,7 +90,7 @@ int bgm_prepare_from_file(int id, char *filename);
 int wav_get_group_num_from_data_num(int no);
 
 // Takes ownership of dfile.
-int wav_prepare_from_archive_data(int id, struct archive_data *dfile);
-int bgm_prepare_from_archive_data(int id, struct archive_data *dfile);
+int wav_prepare_from_archive_data(int id, int metadata_no, struct archive_data *dfile);
+int bgm_prepare_from_archive_data(int id, int metadata_no, struct archive_data *dfile);
 
 #endif /* SYSTEM4_AUDIO_H */
diff --git a/include/mixer.h b/include/mixer.h
index e9149a1..7bf9a1d 100644
--- a/include/mixer.h
+++ b/include/mixer.h
@@ -59,8 +59,9 @@ struct channel;
 enum asset_type;
 
 struct channel *channel_open(enum asset_type type, int no);
-// Takes ownership of dfile.
-struct channel *channel_open_archive_data(struct archive_data *dfile);
+// Takes ownership of dfile. Metadata is not applied if metadata_no is negative.
+struct channel *channel_open_archive_data(struct archive_data *dfile,
+					  enum asset_type type, int metadata_no);
 struct channel *channel_open_file(const char *path);
 void channel_close(struct channel *ch);
 int channel_play(struct channel *ch);
diff --git a/src/3d/s3de.c b/src/3d/s3de.c
index 18465ab..842fa2d 100644
--- a/src/3d/s3de.c
+++ b/src/3d/s3de.c
@@ -1464,7 +1464,7 @@ struct s3de_effect *s3de_effect_create(struct s3de *s, struct archive *aar)
 	struct archive_data *dfile = RE_get_aar_entry(aar, s->path, basename, ".wav");
 	if (dfile) {
 		int ch = wav_get_unused_channel();
-		if (wav_prepare_from_archive_data(ch, dfile)) {
+		if (wav_prepare_from_archive_data(ch, AUDIO_NO_METADATA, dfile)) {
 			eff->wav_channel = ch;
 		} else {
 			WARNING("wav_prepare_from_archive_data failed for %s\\%s.wav", s->path, basename);
diff --git a/src/audio.c b/src/audio.c
index 9f7dd2f..8d584d3 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -103,7 +103,7 @@ bool audio_play_archive_data(struct archive_data *dfile)
 	for (int i = 0; i < NR_ANONYMOUS_CHANNELS; i++) {
 		if (anonymous_channels[i] == -1) {
 			int ch = wav_get_unused_channel();
-			if (!wav_prepare_from_archive_data(ch, dfile))
+			if (!wav_prepare_from_archive_data(ch, AUDIO_NO_METADATA, dfile))
 				return false;
 			if (!wav_play(ch)) {
 				wav_unprepare(ch);
@@ -404,23 +404,29 @@ static int audio_prepare_from_file(struct id_pool *pool, int id, char *filename)
 int wav_prepare_from_file(int id, char *filename) { return audio_prepare_from_file(&wav, id, filename); }
 int bgm_prepare_from_file(int id, char *filename) { return audio_prepare_from_file(&bgm, id, filename); }
 
-static int audio_prepare_from_archive_data(struct id_pool *pool, int id, struct archive_data *dfile)
+static int audio_prepare_from_archive_data(struct id_pool *pool, int id,
+					   enum asset_type type, int metadata_no,
+					   struct archive_data *dfile)
 {
 	if (id < 0)
 		return 0;
-	struct channel *ch = channel_open_archive_data(dfile);
+	struct channel *ch = channel_open_archive_data(dfile, type, metadata_no);
 	struct channel *old = id_pool_set(pool, id, ch);
 	if (old)
 		channel_close(old);
 	return !!ch;
 }
 
-int wav_prepare_from_archive_data(int id, struct archive_data *dfile) {
-	return audio_prepare_from_archive_data(&wav, id, dfile);
+int wav_prepare_from_archive_data(int id, int metadata_no, struct archive_data *dfile)
+{
+	return audio_prepare_from_archive_data(
+		&wav, id, ASSET_SOUND, metadata_no, dfile);
 }
 
-int bgm_prepare_from_archive_data(int id, struct archive_data *dfile) {
-	return audio_prepare_from_archive_data(&bgm, id, dfile);
+int bgm_prepare_from_archive_data(int id, int metadata_no, struct archive_data *dfile)
+{
+	return audio_prepare_from_archive_data(
+		&bgm, id, ASSET_BGM, metadata_no, dfile);
 }
 
 int wav_get_group_num_from_data_num(int no)
diff --git a/src/audio_mixer.c b/src/audio_mixer.c
index 4d90a09..e3abbc4 100644
--- a/src/audio_mixer.c
+++ b/src/audio_mixer.c
@@ -505,33 +505,12 @@ struct channel *channel_open(enum asset_type type, int no)
 		return NULL;
 	}
 
-	struct channel *ch = channel_open_archive_data(dfile);
+	struct channel *ch = channel_open_archive_data(dfile, type, no);
 	if (!ch) {
 		WARNING("Failed to open %s %d", type == ASSET_SOUND ? "WAV" : "BGM", no);
 		return NULL;
 	}
 
-	if (type == ASSET_SOUND) {
-		struct wai *wai = wai_get(no);
-		ch->volume = 100;
-		ch->loop_start = 0;
-		ch->loop_end = ch->info.frames;
-		ch->loop_count = 1;
-		ch->mixer_no = wai ? wai->channel : 1;
-	} else {
-		struct bgi *bgi = bgi_get(no);
-		if (bgi) {
-			ch->volume = clamp(0, 100, bgi->volume);
-			ch->loop_start = clamp(0, ch->info.frames, bgi->loop_start);
-			ch->loop_end = clamp(0, ch->info.frames, bgi->loop_end);
-			ch->loop_count = max(0, bgi->loop_count);
-			ch->mixer_no = clamp(0, nr_mixers, bgi->channel);
-		} else {
-			ch->loop_count = 0;
-		}
-	}
-	ch->no = no;
-
 	return ch;
 }
 
@@ -565,7 +544,8 @@ static bool init_channel(struct channel *ch)
 	return true;
 }
 
-struct channel *channel_open_archive_data(struct archive_data *dfile)
+struct channel *channel_open_archive_data(struct archive_data *dfile,
+					  enum asset_type type, int metadata_no)
 {
 	struct channel *ch = xcalloc(1, sizeof(struct channel));
 	ch->dfile = dfile;
@@ -580,6 +560,24 @@ struct channel *channel_open_archive_data(struct archive_data *dfile)
 		free(ch);
 		return NULL;
 	}
+	if (metadata_no >= 0) {
+		if (type == ASSET_SOUND) {
+			struct wai *wai = wai_get(metadata_no);
+			ch->mixer_no = wai ? wai->channel : 1;
+		} else if (type == ASSET_BGM) {
+			struct bgi *bgi = bgi_get(metadata_no);
+			if (bgi) {
+				ch->volume = clamp(0, 100, bgi->volume);
+				ch->loop_start = clamp(0, ch->info.frames, bgi->loop_start);
+				ch->loop_end = clamp(0, ch->info.frames, bgi->loop_end);
+				ch->loop_count = max(0, bgi->loop_count);
+				ch->mixer_no = clamp(0, nr_mixers, bgi->channel);
+			} else {
+				ch->loop_count = 0;
+			}
+		}
+		ch->no = metadata_no;
+	}
 	return ch;
 }
 
diff --git a/src/hll/ChrLoader.c b/src/hll/ChrLoader.c
index 0067477..f309d4b 100644
--- a/src/hll/ChrLoader.c
+++ b/src/hll/ChrLoader.c
@@ -288,7 +288,7 @@ static bool ChrLoader_LoadWavFile(int sound_channel, int id)
 {
 	int blob = chr_loader_get_blob_handle(id, 4);
 	struct archive_data *dfile = chr_loader_get_blob_as_archive_data(blob);
-	if (!dfile || !wav_prepare_from_archive_data(sound_channel, dfile)) {
+	if (!dfile || !wav_prepare_from_archive_data(sound_channel, AUDIO_NO_METADATA, dfile)) {
 		WARNING("ChrLoader.LoadWavFile %d failed", id);
 		return false;
 	}
diff --git a/src/hll/KiwiSoundEngine.c b/src/hll/KiwiSoundEngine.c
index 0b61f8d..4c4969f 100644
--- a/src/hll/KiwiSoundEngine.c
+++ b/src/hll/KiwiSoundEngine.c
@@ -73,7 +73,7 @@ static int rance9_bgm_prepare(int ch, int num)
 	struct archive_data *dfile = asset_get_by_name(ASSET_BGM, name, NULL);
 	if (!dfile)
 		return 0;
-	return bgm_prepare_from_archive_data(ch, dfile);
+	return bgm_prepare_from_archive_data(ch, num, dfile);
 }
 
 static bool rance9_wav_exists(int num)
@@ -90,7 +90,7 @@ static int rance9_wav_prepare(int ch, int num)
 	struct archive_data *dfile = asset_get_by_name(ASSET_SOUND, name, NULL);
 	if (!dfile)
 		return 0;
-	return wav_prepare_from_archive_data(ch, dfile);
+	return wav_prepare_from_archive_data(ch, num, dfile);
 }
 
 static void KiwiSoundEngine_PreLink(void);
diff --git a/src/hll/vmSound.c b/src/hll/vmSound.c
index ad93815..28faec1 100644
--- a/src/hll/vmSound.c
+++ b/src/hll/vmSound.c
@@ -39,7 +39,7 @@ static int vmSound_LoadMemory(int channel, int memory)
 	struct archive_data *dfile = chr_loader_get_blob_as_archive_data(memory);
 	if (!dfile)
 		return 0;
-	return wav_prepare_from_archive_data(channel, dfile);
+	return wav_prepare_from_archive_data(channel, AUDIO_NO_METADATA, dfile);
 }
 
 static void vmSound_Unload(int channel, int length)