diff --git a/Zenitha b/Zenitha
index 72299d26..7f91fe94 160000
--- a/Zenitha
+++ b/Zenitha
@@ -1 +1 @@
-Subproject commit 72299d268ede941967020c69b6bb30de2e48d907
+Subproject commit 7f91fe94075dc004a88f184297ae867bc604e921
diff --git a/assets/game/mechanicLib/mino/hypersonic.lua b/assets/game/mechanicLib/mino/hypersonic.lua
index f14090fc..ff68af42 100644
--- a/assets/game/mechanicLib/mino/hypersonic.lua
+++ b/assets/game/mechanicLib/mino/hypersonic.lua
@@ -226,12 +226,13 @@ do-- hidden
     local showVisTime=1000
     local showFadeTime=1000
 
+    local bpm=130
     local flashProbability=.1626
-    local flashInterval=math.floor(4*60*1000/130/2^(-1/12)+.5)
+    local flashInterval=math.floor(4*60*1000/bpm/2^(-1/12)+.5)
     local flashVisTime1,flashVisTime2=120,460
     local flashFadeTime=620
 
-    local endAllInterval=math.floor(60*1000/130/2^(-1/12)+.5)
+    local endAllInterval=math.floor(60*1000/bpm/2^(-1/12)+.5)
     local endVisTime1,endVisTime2=620,723
     local endFadeTime=1260
 
diff --git a/assets/game/mode/mino/exterior/hypersonic_hd.lua b/assets/game/mode/mino/exterior/hypersonic_hd.lua
index 6b50aa1b..4f1f6131 100644
--- a/assets/game/mode/mino/exterior/hypersonic_hd.lua
+++ b/assets/game/mode/mino/exterior/hypersonic_hd.lua
@@ -5,6 +5,7 @@ return {
         playBgm('secret7th','base')
         BGM.set('secret7th/melody1','volume',0,0)
         BGM.set('all','pitch',2^(-1/12),0)
+        BGM.set('all','seek',MATH.roundUnit(BGM.tell(),60/130))
     end,
     settings={mino={
         event={
diff --git a/main.lua b/main.lua
index 6189e9d5..8fe1955f 100644
--- a/main.lua
+++ b/main.lua
@@ -189,7 +189,7 @@ SFX.load((function()
     local L={}
     for _,v in next,love.filesystem.getDirectoryItems(path) do
         if FILE.isSafe(path..v) then
-            L[v:sub(1,-5)]=path..v:sub(1,-5)..'.ogg'
+            L[v:sub(1,-5)]=path..v
         end
     end
     return L