diff --git a/optional.json b/optional.json
index 15be8d3..bf79a69 100644
--- a/optional.json
+++ b/optional.json
@@ -267,32 +267,32 @@
 "DATA/SOLAR/solar_mat_space_tank.mat",
 "DATA/SOLAR/solar_mat_tink.mat",
 "DATA/SOLAR/solar_mat_tlr.mat",
-"DATA/AUDIO/music_anticipation_light.wav",
-"DATA/AUDIO/music_anticipation_moref.wav",
-"DATA/AUDIO/music_anticipation_motiv.wav",
-"DATA/AUDIO/music_awe_and_wonderment.wav",
-"DATA/AUDIO/music_bar_br02.wav",
-"DATA/AUDIO/music_bar_generic01.wav",
-"DATA/AUDIO/music_bar_generic02.wav",
-"DATA/AUDIO/music_bar_generic04.wav",
-"DATA/AUDIO/music_bar_li01.wav",
-"DATA/AUDIO/music_bar_li02.wav",
-"DATA/AUDIO/music_bar_li03.wav",
-"DATA/AUDIO/music_bar_li05.wav",
-"DATA/AUDIO/music_bar_rh02.wav",
-"DATA/AUDIO/music_bar_rh03.wav",
-"DATA/AUDIO/music_bar_rh04.wav",
-"DATA/AUDIO/music_bar_rh05.wav",
-"DATA/AUDIO/music_bering_li.wav",
-"DATA/AUDIO/music_bering_rh.wav",
-"DATA/AUDIO/music_br_battle.wav",
-"DATA/AUDIO/music_br_danger.wav",
-"DATA/AUDIO/music_br_space.wav",
-"DATA/AUDIO/music_dangerous_chase.wav",
-"DATA/AUDIO/music_no_ally_battle.wav",
-"DATA/AUDIO/music_tau_battle.wav",
-"DATA/AUDIO/music_tau_danger.wav",
-"DATA/AUDIO/music_tau_space.wav",
-"DATA/AUDIO/music_upcoming_action_heavy.wav",
-"DATA/AUDIO/music_upcoming_action_light.wav"
+"DATA/AUDIO/MUSIC/music_anticipation_light.wav",
+"DATA/AUDIO/MUSIC/music_anticipation_moref.wav",
+"DATA/AUDIO/MUSIC/music_anticipation_motiv.wav",
+"DATA/AUDIO/MUSIC/music_awe_and_wonderment.wav",
+"DATA/AUDIO/MUSIC/music_bar_br02.wav",
+"DATA/AUDIO/MUSIC/music_bar_generic01.wav",
+"DATA/AUDIO/MUSIC/music_bar_generic02.wav",
+"DATA/AUDIO/MUSIC/music_bar_generic04.wav",
+"DATA/AUDIO/MUSIC/music_bar_li01.wav",
+"DATA/AUDIO/MUSIC/music_bar_li02.wav",
+"DATA/AUDIO/MUSIC/music_bar_li03.wav",
+"DATA/AUDIO/MUSIC/music_bar_li05.wav",
+"DATA/AUDIO/MUSIC/music_bar_rh02.wav",
+"DATA/AUDIO/MUSIC/music_bar_rh03.wav",
+"DATA/AUDIO/MUSIC/music_bar_rh04.wav",
+"DATA/AUDIO/MUSIC/music_bar_rh05.wav",
+"DATA/AUDIO/MUSIC/music_bering_li.wav",
+"DATA/AUDIO/MUSIC/music_bering_rh.wav",
+"DATA/AUDIO/MUSIC/music_br_battle.wav",
+"DATA/AUDIO/MUSIC/music_br_danger.wav",
+"DATA/AUDIO/MUSIC/music_br_space.wav",
+"DATA/AUDIO/MUSIC/music_dangerous_chase.wav",
+"DATA/AUDIO/MUSIC/music_no_ally_battle.wav",
+"DATA/AUDIO/MUSIC/music_tau_battle.wav",
+"DATA/AUDIO/MUSIC/music_tau_danger.wav",
+"DATA/AUDIO/MUSIC/music_tau_space.wav",
+"DATA/AUDIO/MUSIC/music_upcoming_action_heavy.wav",
+"DATA/AUDIO/MUSIC/music_upcoming_action_light.wav"
 ]