diff --git a/configure.py b/configure.py
index 646221ea3..28f732dd1 100644
--- a/configure.py
+++ b/configure.py
@@ -710,7 +710,7 @@ config.libs = [
             Object(NonMatching, "JSystem/JAudio/JAIBasic.cpp"),
             Object(NonMatching, "JSystem/JAudio/JAIBankWave.cpp"),
             Object(NonMatching, "JSystem/JAudio/JAIConst.cpp"),
-            Object(NonMatching, "JSystem/JAudio/JAIDummyObject.cpp"),
+            Object(Matching,    "JSystem/JAudio/JAIDummyObject.cpp"),
             Object(NonMatching, "JSystem/JAudio/JAIFx.cpp"),
             Object(Matching,    "JSystem/JAudio/JAIGlobalParameter.cpp"),
             Object(NonMatching, "JSystem/JAudio/JAIInitData.cpp"),
diff --git a/include/JSystem/JAudio/JAIDummyObject.h b/include/JSystem/JAudio/JAIDummyObject.h
new file mode 100644
index 000000000..f83ce7294
--- /dev/null
+++ b/include/JSystem/JAudio/JAIDummyObject.h
@@ -0,0 +1,32 @@
+#ifndef JAIDUMMYOBJECT_H
+#define JAIDUMMYOBJECT_H
+
+#include "dolphin/types.h"
+
+class JAISound;
+
+namespace JAInter {
+    struct DummyVec {
+        DummyVec* field_0x0;
+        DummyVec* field_0x4;
+        JAISound* field_0x8;
+        u32 field_0xc;
+        int field_0x10;
+        int field_0x14;
+        u32 field_0x18;
+        bool field_0x1c;
+    };
+
+    namespace DummyObjectMgr {
+        void init();
+        DummyVec* getPointer(u32 param_1, bool param_2);
+        void releasePointer(DummyVec* param_1);
+        void check();
+
+        extern DummyVec* deadObjectFreePointer;
+        extern DummyVec* deadObjectUsedPointer;
+        extern DummyVec* deadObjectObject;
+    }
+}
+
+#endif /* JAIDUMMYOBJECT_H */
diff --git a/src/JSystem/JAudio/JAIDummyObject.cpp b/src/JSystem/JAudio/JAIDummyObject.cpp
index 59088649d..7312e9057 100644
--- a/src/JSystem/JAudio/JAIDummyObject.cpp
+++ b/src/JSystem/JAudio/JAIDummyObject.cpp
@@ -4,24 +4,93 @@
 //
 
 #include "JSystem/JAudio/JAIDummyObject.h"
-#include "dolphin/types.h"
+#include "JSystem/JAudio/JAIBasic.h"
+#include "JSystem/JAudio/JAIGlobalParameter.h"
+#include "JSystem/JAudio/JAISound.h"
+#include "JSystem/JKernel/JKRSolidHeap.h"
+
+JAInter::DummyVec* JAInter::DummyObjectMgr::deadObjectFreePointer;
+JAInter::DummyVec* JAInter::DummyObjectMgr::deadObjectUsedPointer;
+JAInter::DummyVec* JAInter::DummyObjectMgr::deadObjectObject;
 
 /* 802919A0-80291B40       .text init__Q27JAInter14DummyObjectMgrFv */
 void JAInter::DummyObjectMgr::init() {
-    /* Nonmatching */
+    deadObjectObject = new (JAIBasic::getCurrentJAIHeap(), 0x20) DummyVec[JAIGlobalParameter::getParamDummyObjectMax()];
+    JUT_ASSERT_MSG(37, deadObjectObject, "JAIDummyObjectMgr::init Cannot Alloc Heap!!\n");
+    deadObjectFreePointer = deadObjectObject;
+    deadObjectUsedPointer = NULL;
+    deadObjectObject[0].field_0x0 = NULL;
+    deadObjectObject[0].field_0x4 = deadObjectObject + 1;
+    int i;
+    for (i = 1; i < JAIGlobalParameter::getParamDummyObjectMax() - 1; i++) {
+        deadObjectObject[i].field_0x0 = deadObjectObject + (i - 1);
+        deadObjectObject[i].field_0x4 = deadObjectObject + (i + 1);
+    }
+    deadObjectObject[i].field_0x0 = deadObjectObject + (i - 1);
+    deadObjectObject[i].field_0x4 = NULL;
 }
 
 /* 80291B40-80291BAC       .text getPointer__Q27JAInter14DummyObjectMgrFUlb */
-void JAInter::DummyObjectMgr::getPointer(unsigned long, bool) {
-    /* Nonmatching */
+JAInter::DummyVec* JAInter::DummyObjectMgr::getPointer(u32 param_1, bool param_2) {
+    DummyVec** r5 = &deadObjectFreePointer;
+    DummyVec** r6 = &deadObjectUsedPointer;
+    DummyVec* r7;
+    if (deadObjectFreePointer) {
+        r7 = *r5;
+        *r5 = r7->field_0x4;
+        if (*r6) {
+            r7->field_0x4 = *r6;
+            (*r6)->field_0x0 = r7;
+        } else {
+            r7->field_0x4 = NULL;
+        }
+        r7->field_0x0 = NULL;
+        *r6 = r7;
+        r7->field_0x18 = param_1;
+        r7->field_0x1c = param_2;
+        r7->field_0x8 = NULL;
+    } else {
+        r7 = NULL;
+    }
+    return r7;
 }
 
 /* 80291BAC-80291C20       .text releasePointer__Q27JAInter14DummyObjectMgrFPQ27JAInter8DummyVec */
-void JAInter::DummyObjectMgr::releasePointer(JAInter::DummyVec*) {
-    /* Nonmatching */
+void JAInter::DummyObjectMgr::releasePointer(DummyVec* param_1) {
+    DummyVec** r5 = &deadObjectFreePointer;
+    DummyVec** r4 = &deadObjectUsedPointer;
+    if (deadObjectUsedPointer != param_1) {
+        param_1->field_0x0->field_0x4 = param_1->field_0x4;
+        if (param_1->field_0x4) {
+            param_1->field_0x4->field_0x0 = param_1->field_0x0;
+        }
+    } else {
+        *r4 = param_1->field_0x4;
+        if (param_1->field_0x4) {
+            param_1->field_0x4->field_0x0 = NULL;
+        }
+    }
+    param_1->field_0x4 = *r5;
+    if (param_1->field_0x4) {
+        param_1->field_0x4->field_0x0 = param_1;
+    }
+    *r5 = param_1;
 }
 
 /* 80291C20-80291CCC       .text check__Q27JAInter14DummyObjectMgrFv */
 void JAInter::DummyObjectMgr::check() {
-    /* Nonmatching */
+    DummyVec* r31 = deadObjectUsedPointer;
+    while (r31) {
+        DummyVec* r30 = r31->field_0x4;
+        r31->field_0x18--;
+        if (r31->field_0x18 == 0 || (!r31->field_0x1c && r31->field_0x8 == NULL)) {
+            if (r31->field_0x1c == true) {
+                JAIBasic::getInterface()->stopAllSound(&r31->field_0xc);
+            } else if (r31->field_0x8) {
+                r31->field_0x8->stop(0);
+            }
+            releasePointer(r31);
+        }
+        r31 = r30;
+    }
 }