diff --git a/src/s_sound.h b/src/s_sound.h
index 080283822..66718194a 100644
--- a/src/s_sound.h
+++ b/src/s_sound.h
@@ -178,6 +178,15 @@ boolean S_MusicExists(const char *mname, boolean checkMIDI, boolean checkDigi);
 // Set Speed of Music
 boolean S_SpeedMusic(float speed);
 
+// Music credits
+typedef struct musicdef_s
+{
+	char name[7];
+	//char usage[256];
+	char source[256];
+	struct musicdef_s *next;
+} musicdef_t;
+
 extern struct cursongcredit
 {
 	musicdef_t *def;
@@ -192,35 +201,6 @@ void S_LoadMusicDefs(UINT16 wadnum);
 void S_InitMusicDefs(void);
 void S_ShowMusicCredit(void);
 
-// Music definitions
-typedef struct musicdef_s
-{
-	char name[7];
-	char title[32];
-	char alttitle[64];
-	char authors[256];
-	char usage[256]; -- probably never going to be relevant to vanilla
-	char source[256];
-	UINT8 soundtestpage;
-	INT16 soundtestcond; // +ve for map, -ve for conditionset, 0 for already here
-	tic_t stoppingtics;
-	fixed_t bpm;
-	UINT32 loop_ms;/* override LOOPPOINT/LOOPMS */
-	boolean allowed; // question marks or listenable on sound test?
-	struct musicdef_s *next;
-} musicdef_t;
-
-extern musicdef_t soundtestsfx;
-extern musicdef_t *musicdefstart;
-extern musicdef_t **soundtestdefs;
-extern INT32 numsoundtestdefs;
-extern UINT8 soundtestpage;
-
-void S_LoadMusicDefs(UINT16 wadnum);
-void S_InitMusicDefs(void);
-
-boolean S_PrepareSoundTest(void);
-
 //
 // Music Seeking
 //