--- a/music2/music.cc
+++ b/music2/music.cc
@@ -43,6 +43,8 @@
 
 using namespace std;
 
+#define MUSIC_VOLUME 0.2
+
 int pcm_enable   = 0;
 Mix_Chunk *play_chunk[MIX_PCM_SIZE];
 
@@ -198,6 +200,9 @@ void WavChunk::callback(void *userdata, 
 			chunk->wav->Read( (char*)(stream+count*4), 4, len/4-count);
 		}
 	}
+	
+	int cur_vol = MUSIC_VOLUME*SDL_MIX_MAXVOLUME;
+	
 	if (fadetime_total) {
 		// ²»³Ú¤òÄä»ßÃæ (fade out)
 		int count_total = fadetime_total*(WAVFILE::freq/1000);
@@ -207,13 +212,15 @@ void WavChunk::callback(void *userdata, 
 			return;
 		}
 		// int cur_vol = 256*(count_total-fadecount)/count_total;
-		int cur_vol = SDL_MIX_MAXVOLUME*(count_total-fadecount)/count_total;
-		char* stream_dup = new char[len];
-		memcpy(stream_dup, stream, len);
-		memset(stream, 0, len);
-		SDL_MixAudio(stream, (Uint8*)stream_dup, len, cur_vol);
+		cur_vol = cur_vol*(count_total-fadecount)/count_total;
 		fadecount += len/4;
 	}
+	
+	char* stream_dup = new char[len];
+	memcpy(stream_dup, stream, len);
+	memset(stream, 0, len);
+	SDL_MixAudio(stream, (Uint8*)stream_dup, len, cur_vol);
+	
 	return;
 }
 void bgm_fadeout(int time) {
@@ -242,7 +249,7 @@ fprintf(stderr,"bgm start %s\n",path);
 	fadetime_total = 0;
 	fadecount = 0;
 	Mix_HookMusic( &(WavChunk::callback), (void*)&wav_playing);
-	Mix_VolumeMusic(128);
+	Mix_VolumeMusic(MUSIC_VOLUME*MIX_MAX_VOLUME);
 	return;
 }