diff --git a/config/MarioClub_us/dol_slices.yml b/config/MarioClub_us/dol_slices.yml
index 4f83c62..ab50f69 100644
--- a/config/MarioClub_us/dol_slices.yml
+++ b/config/MarioClub_us/dol_slices.yml
@@ -248,6 +248,10 @@ libs/JSystem/JAudio/JASReport.cpp:
     .bss: [0x803aec98, 0x803aecb0]
     .sbss: [0x80415a28, 0x80415a38]
 
+libs/JSystem/JAudio/JASSoundParams.cpp:
+    .text: [0x800967d0, 0x8009682c]
+    .sdata2: [0x80417f28, 0x80417f30]
+
 libs/dolphin/os/__ppc_eabi_init.cpp:
     .init: [0x80003400, 0x80003458]
     .text: [0x800f31b8, 0x800f324c]
diff --git a/config/Release_eu/dol_slices.yml b/config/Release_eu/dol_slices.yml
index d312e82..a7fa0a4 100644
--- a/config/Release_eu/dol_slices.yml
+++ b/config/Release_eu/dol_slices.yml
@@ -238,6 +238,10 @@ libs/JSystem/JAudio/JASReport.cpp:
     .bss: [0x8036e7c8, 0x8036e7e0]
     .sbss: [0x803d4cb8, 0x803d4cc8]
 
+libs/JSystem/JAudio/JASSoundParams.cpp:
+    .text: [0x80096134, 0x80096190]
+    .sdata2: [0x803d6e10, 0x803d6e18]
+
 libs/dolphin/os/__ppc_eabi_init.cpp:
     .init: [0x80003400, 0x80003458]
     .text: [0x800ec7e8, 0x800ec87c]
diff --git a/config/Release_eu/symbols.yml b/config/Release_eu/symbols.yml
index 2e48e34..8c67c47 100644
--- a/config/Release_eu/symbols.yml
+++ b/config/Release_eu/symbols.yml
@@ -667,6 +667,8 @@ global:
   # JASReport.cpp
   0x80091270: JASReport__FPCce
 
+  # JASSoundParams.cpp
+  0x80096134: combine__14JASSoundParamsFRC14JASSoundParamsRC14JASSoundParams
   # Dolphin 
   # these have been ported by hand, there might be some errors in here
   # all local symbols are filtered out.
diff --git a/include/JSystem/JAudio/JASSoundParams.h b/include/JSystem/JAudio/JASSoundParams.h
index b5e56fd..34cf954 100644
--- a/include/JSystem/JAudio/JASSoundParams.h
+++ b/include/JSystem/JAudio/JASSoundParams.h
@@ -3,11 +3,20 @@
 
 #include "types.h"
 
-class JASSoundParams {
-    public:
+class JASSoundParams
+{
+public:
     JASSoundParams() { init(); }
 
-    void init() {
+    void clamp();
+    void combine(const JASSoundParams &other);
+    void combine(const JASSoundParams &other1, const JASSoundParams &other2);
+    void combine(const JASSoundParams &other1, const JASSoundParams &other2, const JASSoundParams &other3);
+    void combine(const JASSoundParams &other1, const JASSoundParams &other2, const JASSoundParams &other3, const JASSoundParams &other4);
+    void print() const;
+
+    void init()
+    {
         initVolume();
         initPitch();
         initFxMix();
@@ -21,7 +30,43 @@ class JASSoundParams {
     void initPan() { mPan = 0.5f; }
     void initDolby() { mDolby = 0.0f; }
 
-    private:
+    void clampVolume()
+    {
+        if (mVolume < 0.0f)
+            mVolume = 0.0f;
+        else if (mVolume > 1.0f)
+            mVolume = 1.0f;
+    }
+    void clampFxMix(void)
+    {
+        if (mFxMix < 0.0f)
+            mFxMix = 0.0f;
+        else if (mFxMix > 1.0f)
+            mFxMix = 1.0f;
+    }
+    void clampPitch()
+    {
+        if (mPitch < 0.0f)
+            mPitch = 0.0f;
+        else if (mPitch > 8.0f)
+            mPitch = 8.0f;
+    }
+    void clampPan()
+    {
+        if (mPan < 0.0f)
+            mPan = 0.0f;
+        else if (mPan > 1.0f)
+            mPan = 1.0f;
+    }
+    void clampDolby()
+    {
+        if (mDolby < 0.0f)
+            mDolby = 0.0f;
+        else if (mDolby > 1.0f)
+            mDolby = 1.0f;
+    }
+
+private:
     f32 mVolume;
     f32 mFxMix;
     f32 mPitch;
diff --git a/include/JSystem/JMath/JMath.h b/include/JSystem/JMath/JMath.h
index 5bcb340..56de181 100644
--- a/include/JSystem/JMath/JMath.h
+++ b/include/JSystem/JMath/JMath.h
@@ -13,7 +13,8 @@
 namespace JMath
 {
     template <typename T>
-    struct TAngleConstant_ {
+    struct TAngleConstant_
+    {
         static const f32 RADIAN_DEG090() { return HALF_PI; }
         static const f32 RADIAN_DEG180() { return PI; }
         static const f32 RADIAN_DEG360() { return TAU; }
@@ -52,8 +53,9 @@ namespace JMath
 
         void init()
         {
-            for (int i = 0; i < 2048; i++) {
-                mTable[i].first  = sin(((f64)i * TAngleConstant_<f32>::RADIAN_DEG360()) / 2048.0);
+            for (int i = 0; i < 2048; i++)
+            {
+                mTable[i].first = sin(((f64)i * TAngleConstant_<f32>::RADIAN_DEG360()) / 2048.0);
                 mTable[i].second = cos(((f64)i * TAngleConstant_<f32>::RADIAN_DEG360()) / 2048.0);
             }
         }
@@ -67,15 +69,16 @@ namespace JMath
 
     template <>
     struct TAtanTable<1024, f32>
-    {        
+    {
         TAtanTable() { init(); }
 
         void init()
         {
-            for (int i = 0; i < (u32)1024; i++) {
+            for (int i = 0; i < (u32)1024; i++)
+            {
                 mTable[i] = atan(i / 1024.0);
             }
-            mTable[0]  = 0.0f;
+            mTable[0] = 0.0f;
             mTable2[0] = TAngleConstant_<f32>::RADIAN_DEG180() / 4;
         }
 
@@ -147,11 +150,13 @@ namespace JMath
     struct TAsinAcosTable<1024, f32>
     {
         TAsinAcosTable() { init(); }
-        void init() {
-            for (int i = 0; i < 1024; i++) {
+        void init()
+        {
+            for (int i = 0; i < 1024; i++)
+            {
                 mTable[i] = asin(i / 1024.0);
             }
-            mTable[0]  = 0.0f;
+            mTable[0] = 0.0f;
             mTable2[0] = TAngleConstant_<f32>::RADIAN_DEG180() / 4;
         }
         f32 acos2_(f32, f32) const;
@@ -201,7 +206,7 @@ namespace JMath
     {
     public:
         TRandom_(u32 num) : TRandom_fast_(num){};
-    };    
+    };
 
     inline const TSinCosTable<2048, f32> *getSinCosTable() { return &sincosTable_; }
 }
@@ -216,7 +221,8 @@ inline f32 JMASinShort(s16 v) { return JMath::sincosTable_.sinShort(v); }
 inline f32 JMASCos(s16 v) { return JMASCosShort(v); }
 inline f32 JMASSin(s16 v) { return JMASinShort(v); }
 
-inline f32 JMAFastSqrt(register f32 x) {
+inline f32 JMAFastSqrt(register f32 x)
+{
     register f32 recip;
 
     if (x > 0.0f)
diff --git a/include/JSystem/JSupport/JSUStream.h b/include/JSystem/JSupport/JSUStream.h
index ba2c1ec..1ed804c 100644
--- a/include/JSystem/JSupport/JSUStream.h
+++ b/include/JSystem/JSupport/JSUStream.h
@@ -21,25 +21,28 @@ public:
     }
 
     virtual ~JSUIosBase() {} //_08 (weak)
-    enum EIoState {
+    enum EIoState
+    {
         State_Bad,
         State_1,
         State_2
     };
 
-    void setState(EIoState state) {
+    void setState(EIoState state)
+    {
         mState |= state;
     }
 
-    void clrState(EIoState state) {
+    void clrState(EIoState state)
+    {
         mState &= ~state;
     }
 
-    bool isGood() {
+    bool isGood()
+    {
         return mState != State_Bad;
     }
 
-
     // _00 VTBL
     u8 mState; // _04
 };
@@ -172,7 +175,7 @@ public:
 /* Not much remains of this. */
 class JSUOutputStream : public JSUIosBase
 {
-    public:
+public:
     virtual ~JSUOutputStream(); // _08
     /* No calls to this appear to have survived. */
     virtual void _0C(); // _0C
diff --git a/include/types.h b/include/types.h
index bda4f09..cbcae69 100644
--- a/include/types.h
+++ b/include/types.h
@@ -45,7 +45,10 @@ typedef wchar_t wint_t;
 
 #define nullptr 0
 #define null 0
+
+#ifndef NULL
 #define NULL 0
+#endif
 
 #define UINT32_MAX 0xffffffff
 
diff --git a/libs/JSystem/JAudio/JASSoundParams.cpp b/libs/JSystem/JAudio/JASSoundParams.cpp
new file mode 100644
index 0000000..e6ca1bd
--- /dev/null
+++ b/libs/JSystem/JAudio/JASSoundParams.cpp
@@ -0,0 +1,53 @@
+#include <JSystem/JAudio/JASSoundParams.h>
+
+// UNUSED
+void JASSoundParams::clamp()
+{
+    clampVolume();
+    clampPitch();
+    clampFxMix();
+    clampPan();
+    clampDolby();
+}
+
+// UNUSED
+void JASSoundParams::print() const {}
+
+// UNUSED
+void JASSoundParams::combine(const JASSoundParams &other)
+{
+    mVolume = mVolume * other.mVolume;
+    mPitch = mPitch * other.mPitch;
+    mFxMix = mFxMix + other.mFxMix;
+    mPan = mPan + other.mPan - 0.5f;
+    mDolby = mDolby + other.mDolby;
+}
+
+void JASSoundParams::combine(const JASSoundParams &other1, const JASSoundParams &other2)
+{
+    mVolume = other1.mVolume * other2.mVolume;
+    mPitch = other1.mPitch * other2.mPitch;
+    mFxMix = other1.mFxMix + other2.mFxMix;
+    mPan = other1.mPan + other2.mPan - 0.5f;
+    mDolby = other1.mDolby + other2.mDolby;
+}
+
+// UNUSED
+void JASSoundParams::combine(const JASSoundParams &other1, const JASSoundParams &other2, const JASSoundParams &other3)
+{
+    mVolume = other1.mVolume * other2.mVolume * other3.mVolume;
+    mPitch = other1.mPitch * other2.mPitch * other3.mPitch;
+    mFxMix = other1.mFxMix + other2.mFxMix + other3.mFxMix;
+    mPan = other1.mPan + other2.mPan + other3.mPan - 0.5f;
+    mDolby = other1.mDolby + other2.mDolby + other3.mDolby;
+}
+
+// UNUSED
+void JASSoundParams::combine(const JASSoundParams &other1, const JASSoundParams &other2, const JASSoundParams &other3, const JASSoundParams &other4)
+{
+    mVolume = other1.mVolume * other2.mVolume * other3.mVolume * other4.mVolume;
+    mPitch = other1.mPitch * other2.mPitch * other3.mPitch * other4.mPitch;
+    mFxMix = other1.mFxMix + other2.mFxMix + other3.mFxMix + other4.mFxMix;
+    mPan = other1.mPan + other2.mPan + other3.mPan + other4.mPan - 0.5f;
+    mDolby = other1.mDolby + other2.mDolby + other3.mDolby + other4.mDolby;
+}
\ No newline at end of file
diff --git a/libs/JSystem/JAudio/not matched/JASSoundParams.cpp b/libs/JSystem/JAudio/not matched/JASSoundParams.cpp
deleted file mode 100644
index e69de29..0000000
diff --git a/src/Sato/stMath.cpp b/src/Sato/stMath.cpp
index bc42724..77cc12b 100644
--- a/src/Sato/stMath.cpp
+++ b/src/Sato/stMath.cpp
@@ -8,11 +8,13 @@
 stRandom *stRandom::sRndMgr[6] = {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr};
 stRandom *stRandom::sMgr;
 
-namespace {
+namespace
+{
     static double sLerpEpsilon = 0.0010000000474974513;
 }
 
-int stVecNormalize(TVec3f &vec) {
+int stVecNormalize(TVec3f &vec)
+{
     int ret = 0;
 
     if (!vec.isZero())
@@ -52,7 +54,8 @@ float stspeedy_sqrtf(register float x)
 {
     register float recip;
 
-    if(x > 0.0f) {
+    if (x > 0.0f)
+    {
         __asm { frsqrte recip, x }
         return recip * x;
     }
@@ -71,21 +74,24 @@ void stMakeDirectionMtx(TPos3f *dirMtx, const TVec3f &vec, char axis)
 {
     TVec3f dir;
     TVec3f normal;
-    
-    if(axis == 'Z') {
+
+    if (axis == 'Z')
+    {
         normal.set(0.0f, 1.0f, 0.0f);
     }
-    else {
+    else
+    {
         normal.set(0.0f, 0.0f, 1.0f);
     }
-    
+
     dir.cross(normal, vec);
     stVecNormalize(&dir);
 
     normal.cross(vec, dir);
     stVecNormalize(&normal);
 
-    if (axis == 'Z') {
+    if (axis == 'Z')
+    {
         dirMtx->mMtx[0][0] = dir.x;
         dirMtx->mMtx[1][0] = dir.y;
         dirMtx->mMtx[2][0] = dir.z;
@@ -98,7 +104,8 @@ void stMakeDirectionMtx(TPos3f *dirMtx, const TVec3f &vec, char axis)
         dirMtx->mMtx[1][2] = vec.y;
         dirMtx->mMtx[2][2] = vec.z;
     }
-    else {
+    else
+    {
         dir.negate();
         dirMtx->mMtx[0][0] = dir.x;
         dirMtx->mMtx[1][0] = dir.y;
@@ -158,12 +165,12 @@ void stQt2Mtx(Mtx m, const Quaternion *q)
     float qw_qx_normal = qw * qx_normal;
     float qw_qy_normal = qw * qy_normal;
     float qw_qz_normal = qw * qz_normal;
-    float qx_squared   = qx * qx_normal;
+    float qx_squared = qx * qx_normal;
     float qx_qy_normal = qx * qy_normal;
     float qx_qz_normal = qx * qz_normal;
-    float qy_squared   = qy * qy_normal;
+    float qy_squared = qy * qy_normal;
     float qy_qz_normal = qy * qz_normal;
-    float qz_squared   = qz * qz_normal;
+    float qz_squared = qz * qz_normal;
 
     m[0][0] = 1.0f - (qy_squared + qz_squared);
     m[1][0] = qx_qy_normal + qw_qz_normal;
@@ -181,7 +188,8 @@ void stQt2Mtx(Mtx m, const Quaternion *q)
 }
 
 // Unused
-void stQtMult(Quaternion *dst, const Quaternion *a, const Quaternion *b) {
+void stQtMult(Quaternion *dst, const Quaternion *a, const Quaternion *b)
+{
     f32 x = (a->x * b->w) + (a->w * b->x) + (a->y * b->z) - (a->z * b->y);
     f32 y = (a->y * b->w) + (a->w * b->y) + (a->z * b->x) - (a->x * b->z);
     f32 z = (a->z * b->w) + (a->w * b->z) + (a->x * b->y) - (a->y * b->x);
@@ -192,14 +200,16 @@ void stQtMult(Quaternion *dst, const Quaternion *a, const Quaternion *b) {
     dst->w = w;
 }
 
-void stVec2QtUpdate(Quaternion &p, Quaternion &q, const TVec3f &dir, const TVec3f &vec){
+void stVec2QtUpdate(Quaternion &p, Quaternion &q, const TVec3f &dir, const TVec3f &vec)
+{
     TVec3f crossp;
     crossp.cross(dir, vec);
 
     float length = stspeedy_sqrtf(2.0f * (1.0f + dir.dot(vec)));
-    if(length > 0.0f) {
+    if (length > 0.0f)
+    {
         Quaternion a;
-        a.x = crossp.x / length;       
+        a.x = crossp.x / length;
         a.y = crossp.y / length;
         a.z = crossp.z / length;
         a.w = (0.5f * length);
@@ -233,7 +243,8 @@ void stVec2QtUpdate(Quaternion &q, const Vec &dir, const Vec &vec)
     }
 }
 
-bool stVec2Qt(Quaternion &q, const Vec &dir, const Vec &vec) {
+bool stVec2Qt(Quaternion &q, const Vec &dir, const Vec &vec)
+{
     Vec cross;
     bool ret = false;
     PSVECCrossProduct(&dir, &vec, &cross);
@@ -335,7 +346,8 @@ void stQtLerp(Quaternion *dst, const Quaternion *p, const Quaternion *q, float t
     }
 }
 
-f32 stQtNormalize(Quaternion *dst, const Quaternion *q) {
+f32 stQtNormalize(Quaternion *dst, const Quaternion *q)
+{
     float length = (q->x * q->x + q->y * q->y + q->z * q->z + q->w * q->w);
     if (length != 0.0f)
     {
@@ -349,11 +361,12 @@ f32 stQtNormalize(Quaternion *dst, const Quaternion *q) {
     return length;
 }
 
-int stMakePlaneParam(stPlaneParam &planeParam, TVec3f &vec1, const TVec3f &vec2) {
+int stMakePlaneParam(stPlaneParam &planeParam, TVec3f &vec1, const TVec3f &vec2)
+{
     vec1.normalize();
     if (vec1.length() == 0.0f)
         return 0;
-    
+
     planeParam.x = vec1.x;
     planeParam.y = vec1.y;
     planeParam.z = vec1.z;
@@ -369,7 +382,8 @@ int stMakePlaneParam(stPlaneParam &planeParam, const TVec3f &vec1, const TVec3f
     return stMakePlaneParam(planeParam, crossp, vec3);
 }
 
-int stSearchInSurface(const TVec3f &vec1, const TVec3f &vec2, const TVec3f &vec3) {
+int stSearchInSurface(const TVec3f &vec1, const TVec3f &vec2, const TVec3f &vec3)
+{
     int ret = 0;
     if (vec2.x * (vec1.x - vec3.x) + vec2.y * (vec1.y - vec3.y) + vec2.z * (vec1.z - vec3.z) <=
         0.0f)
@@ -379,9 +393,11 @@ int stSearchInSurface(const TVec3f &vec1, const TVec3f &vec2, const TVec3f &vec3
     return ret;
 }
 
-int stSearchInSurface(const TVec3f &vec, const stPlaneParam &planeparam) {
+int stSearchInSurface(const TVec3f &vec, const stPlaneParam &planeparam)
+{
     int ret = 0;
-    if (((planeparam.x * vec.x) + (planeparam.y * vec.y) + (planeparam.z * vec.z) + planeparam.angle) <= 0.0f) {
+    if (((planeparam.x * vec.x) + (planeparam.y * vec.y) + (planeparam.z * vec.z) + planeparam.angle) <= 0.0f)
+    {
         ret = 1;
     }
     return ret;
@@ -394,15 +410,18 @@ int stCollideSurfaceAndSphere(const TVec3f &vec, float radius, const stPlanePara
     f32 length = ((planeparam.x * vec.x) + (planeparam.y * vec.y) + (planeparam.z * vec.z) + planeparam.angle);
     if (length > 0.0f)
     {
-        if (length < radius) {
+        if (length < radius)
+        {
             ret = 1;
             retVal = radius - length;
         }
-        else {
+        else
+        {
             retVal = -1.0f;
         }
     }
-    else {
+    else
+    {
         ret = 1;
         retVal = radius - length;
     }
@@ -454,7 +473,8 @@ float stGetCollideDepthFromT(const TVec3f &vec1, const TVec3f &vec2, float scala
 }
 
 // Unused
-void stMTXRotS16(Mtx matrix, char axis, short v) {
+void stMTXRotS16(Mtx matrix, char axis, short v)
+{
     float sin = JMASinShort(v);
     float cos = JMASCosShort(v);
     PSMTXRotTrig(matrix, axis, sin, cos);
@@ -470,8 +490,10 @@ void stMTXRotRad(Mtx matrix, char axis, float x)
     stMTXRotS16(matrix, axis, x * 10435.0f);
 }
 
-void stRandom::createAllRandom() {
-    for (u32 i = 0; i < 6; i++) {
+void stRandom::createAllRandom()
+{
+    for (u32 i = 0; i < 6; i++)
+    {
         sRndMgr[i] = new stRandom();
     }
 }
@@ -479,16 +501,19 @@ void stRandom::createAllRandom() {
 // Unused nor auto inlined
 void stRandom::deleteAllRandom()
 {
-    for (u32 i = 0; i < 6; i++) {
+    for (u32 i = 0; i < 6; i++)
+    {
         delete sRndMgr[i];
     }
 }
 
-u32 stRandom::getRandomMax(u32 max) {
+u32 stRandom::getRandomMax(u32 max)
+{
     return ((max + 1) * get_ufloat_1());
 }
 
-void stRandom::getArbitUnitVec(TVec3f& dst, float p2, float p3) {
+void stRandom::getArbitUnitVec(TVec3f &dst, float p2, float p3)
+{
     _0x4 = p2 * (32767.0f * (2.0f * get_ufloat_1() - 1.0f));
     _0x6 = p3 * (32767.0f * (2.0f * get_ufloat_1() - 1.0f));
 
@@ -500,11 +525,13 @@ void stRandom::getArbitUnitVec(TVec3f& dst, float p2, float p3) {
     dst.z = JMASCos(_0x4);
 }
 
-void stRandom::getArbitUnitVecSimple(TVec3f &dst, float p2) {
+void stRandom::getArbitUnitVecSimple(TVec3f &dst, float p2)
+{
     getArbitUnitVec(dst, p2, 1.0f);
 }
 
-void stRandom::getArbitUnitVecXZ(TVec3f& dst, float p2) {
+void stRandom::getArbitUnitVecXZ(TVec3f &dst, float p2)
+{
     _0x4 = p2 * (32767.0f * (2.0f * get_ufloat_1() - 1.0f));
 
     // dst.set(JMASSin(_0x4), 0.0f, JMASCos(_0x4));
@@ -514,15 +541,18 @@ void stRandom::getArbitUnitVecXZ(TVec3f& dst, float p2) {
 }
 
 // Unused
-stRandom *stGetRnd() {
+stRandom *stGetRnd()
+{
     return stRandom::sMgr;
 }
 
-stRandom *stGetRnd(u32 idx) {
+stRandom *stGetRnd(u32 idx)
+{
     JUT_ASSERT_F(924, stRandom::sRndMgr[idx]->permission, "Random can\'t get :%d", idx);
     return stRandom::sRndMgr[idx];
 }
 
-void stSetRndPermission(u32 idx, bool perm) {
+void stSetRndPermission(u32 idx, bool perm)
+{
     stRandom::sRndMgr[idx]->permission = perm;
 }
\ No newline at end of file