-#define TERM_XTRA_MUSIC_QUEST 16 /* Play a music(quest) (optional) */
-#define TERM_XTRA_MUSIC_TOWN 17 /* Play a music(floor) (optional) */
-#define TERM_XTRA_MUSIC_MUTE 18
-#define TERM_XTRA_SCENE 19 /* React to scene changes (optional) */
+#define TERM_XTRA_MUSIC_QUEST 16 /* Play a music(quest) (optional) */
+#define TERM_XTRA_MUSIC_TOWN 17 /* Play a music(floor) (optional) */
+#define TERM_XTRA_MUSIC_MONSTER 18 /* Play a music(monster) (optional) */
+#define TERM_XTRA_MUSIC_MUTE 19
+#define TERM_XTRA_SCENE 20 /* React to scene changes (optional) */