diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05a82e5a..3a47fc78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,6 +147,7 @@ add_library(lego1 SHARED
   LEGO1/mxpalette.cpp
   LEGO1/mxparam.cpp
   LEGO1/mxpresenter.cpp
+  LEGO1/mxpresenterlist.cpp
   LEGO1/mxscheduler.cpp
   LEGO1/mxsemaphore.cpp
   LEGO1/mxsmkpresenter.cpp
diff --git a/LEGO1/mxhashtable.h b/LEGO1/mxhashtable.h
index f9505bb5..3d91717b 100644
--- a/LEGO1/mxhashtable.h
+++ b/LEGO1/mxhashtable.h
@@ -67,7 +67,7 @@ class MxHashTable : protected HashTableParent<T>
   virtual ~MxHashTable();
 
   void Resize();
-  void MxHashTable::Add(T* );
+  void Add(T* );
 
   virtual MxS8 Compare(T*, T*) = 0;
 
diff --git a/LEGO1/mxlist.h b/LEGO1/mxlist.h
new file mode 100644
index 00000000..da2c3e4e
--- /dev/null
+++ b/LEGO1/mxlist.h
@@ -0,0 +1,196 @@
+#ifndef MXLIST_H
+#define MXLIST_H
+
+#include "mxtypes.h"
+#include "mxcore.h"
+
+template <class T>
+// SIZE 0xc
+class MxListEntry
+{
+public:
+  MxListEntry() {}
+  MxListEntry(T *p_obj, MxListEntry *p_prev) {
+    m_obj = p_obj;
+    m_prev = p_prev;
+    m_next = NULL;
+  }
+
+  T *m_obj;
+  MxListEntry *m_prev;
+  MxListEntry *m_next;
+};
+
+// VTABLE 0x100d6350
+// SIZE 0x10
+template <class T>
+class MxListParent : public MxCore
+{
+public:
+  MxListParent() {
+    m_count = 0;
+    m_customDestructor = Destroy;
+  }
+  // OFFSET: LEGO1 0x1001cdd0
+  virtual ~MxListParent() {}
+
+  // OFFSET: LEGO1 0x1001cd30
+  static void Destroy(T *) {};
+
+  // OFFSET: LEGO1 0x1001cd20
+  virtual MxS8 Compare(T *, T *) = 0;
+
+protected:
+  MxU32 m_count;                   // +0x8
+  void (*m_customDestructor)(T *); // +0xc
+};
+
+// VTABLE 0x100d6368
+// SIZE 0x18
+template <class T>
+class MxList : protected MxListParent<T>
+{
+public:
+  MxList() {
+    m_last = NULL;
+    m_first = NULL;
+  }
+
+  virtual ~MxList();
+
+  void Append(T*);
+
+  friend class MxListCursor<T>;
+
+protected:
+  MxListEntry<T> *m_first; // +0x10
+  MxListEntry<T> *m_last;  // +0x14
+
+private:
+  void _DeleteEntry(MxListEntry<T> *match);
+};
+
+// VTABLE 0x100d6488
+template <class T>
+class MxListCursor : public MxCore
+{
+public:
+  MxListCursor(MxList<T> *p_list) {
+    m_list = p_list;
+    m_match = NULL;
+  }
+
+  MxBool Find(T *p_obj);
+  void Detach();
+  MxBool Next(T*& p_obj);
+  void Reset() { m_match = NULL; }
+
+private:
+  MxList<T> *m_list;
+  MxListEntry<T> *m_match;
+};
+
+// Unclear purpose
+// VTABLE 0x100d6530
+template <class T>
+class MxListCursorChild : public MxListCursor<T> 
+{
+public:
+  MxListCursorChild(MxList<T> *p_list) : MxListCursor<T>(p_list) {}
+};
+
+// Unclear purpose
+// VTABLE 0x100d6470
+template <class T>
+class MxListCursorChildChild : public MxListCursorChild<T>
+{
+public:
+  MxListCursorChildChild(MxList<T> *p_list) : MxListCursorChild<T>(p_list) {}
+};
+
+template <class T>
+// OFFSET: LEGO1 0x1001ce20
+MxList<T>::~MxList()
+{
+  for (MxListEntry<T> *t = m_first;;) {
+    if (!t)
+      break;
+
+    MxListEntry<T> *next = t->m_next;
+    m_customDestructor(t->m_obj);
+    delete t;
+    t = next;
+  }
+
+  m_count = 0;
+  m_last = NULL;
+  m_first = NULL;
+}
+
+template <class T>
+inline void MxList<T>::Append(T *p_newobj)
+{
+  MxListEntry<T> *currentLast = this->m_last;
+  MxListEntry<T> *newEntry = new MxListEntry<T>(p_newobj, currentLast);
+
+  if (currentLast)
+    currentLast->m_next = newEntry;
+  else
+    this->m_first = newEntry;
+    
+  this->m_last = newEntry;
+  this->m_count++;
+}
+
+template <class T>
+inline void MxList<T>::_DeleteEntry(MxListEntry<T> *match)
+{
+  MxListEntry<T> **pPrev = &match->m_prev;
+  MxListEntry<T> **pNext = &match->m_next;
+
+  if (match->m_prev)
+    match->m_prev->m_next = *pNext;
+  else
+    m_first = *pNext;
+
+  if (*pNext)
+    (*pNext)->m_prev = *pPrev;
+  else
+    m_last = *pPrev;
+
+  delete match;
+  m_count--;
+}
+
+template <class T>
+inline MxBool MxListCursor<T>::Find(T *p_obj)
+{
+  for (m_match = m_list->m_first;
+    m_match && m_list->Compare(m_match->m_obj, p_obj);
+    m_match = m_match->m_next);
+
+  return m_match != NULL;
+}
+
+template <class T>
+inline void MxListCursor<T>::Detach()
+{
+  m_list->_DeleteEntry(m_match);
+  m_match = NULL;
+}
+
+template <class T>
+inline MxBool MxListCursor<T>::Next(T*& p_obj)
+{
+  if (!m_match)
+    m_match = m_list->m_first;
+  else
+    m_match = m_match->m_next;
+
+  if (m_match)
+    p_obj = m_match->m_obj;
+
+  return m_match != NULL;
+}
+
+#endif // MXLIST_H
\ No newline at end of file
diff --git a/LEGO1/mxmediamanager.cpp b/LEGO1/mxmediamanager.cpp
index a6c8a9c0..b890eec4 100644
--- a/LEGO1/mxmediamanager.cpp
+++ b/LEGO1/mxmediamanager.cpp
@@ -1,8 +1,12 @@
 #include "mxmediamanager.h"
+#include "mxautolocker.h"
+#include "mxpresenter.h"
 #include "decomp.h"
 
 DECOMP_SIZE_ASSERT(MxMediaManager, 0x2c);
 
+typedef MxListCursorChildChild<MxPresenter> MxPresenterListCursor;
+
 // OFFSET: LEGO1 0x100b84c0
 MxMediaManager::MxMediaManager()
 {
@@ -12,22 +16,86 @@ MxMediaManager::MxMediaManager()
 // OFFSET: LEGO1 0x100b8560
 MxMediaManager::~MxMediaManager()
 {
-  Teardown();
+  Destroy();
 }
 
 // OFFSET: LEGO1 0x100b85d0
 MxResult MxMediaManager::Init()
 {
-  this->m_unk08 = NULL;
+  this->m_presenters = NULL;
   this->m_thread = NULL;
   return SUCCESS;
 }
 
-// OFFSET: LEGO1 0x100b8710
-void MxMediaManager::Teardown()
+// OFFSET: LEGO1 0x100b8790
+MxResult MxMediaManager::Tickle()
 {
-  if(this->m_unk08) {
-    delete this->m_unk08;
+  MxAutoLocker lock(&this->m_criticalSection);
+  MxPresenter *presenter;
+  MxPresenterListCursor cursor(this->m_presenters);
+
+  while (cursor.Next(presenter))
+    presenter->Tickle();
+
+  cursor.Reset();
+
+  while (cursor.Next(presenter))
+    presenter->VTable0x4c();
+
+  return SUCCESS;
+}
+
+// OFFSET: LEGO1 0x100b85e0
+MxResult MxMediaManager::InitPresenters()
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+
+  this->m_presenters = new MxPresenterList;
+
+  if (!this->m_presenters) {
+    this->Destroy();
+    return FAILURE;
   }
+
+  return SUCCESS;
+}
+
+// OFFSET: LEGO1 0x100b8710
+void MxMediaManager::Destroy()
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+
+  if (this->m_presenters)
+    delete this->m_presenters;
+    
   Init();
-}
\ No newline at end of file
+}
+
+// OFFSET: LEGO1 0x100b88c0
+void MxMediaManager::AddPresenter(MxPresenter &p_presenter)
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+
+  this->m_presenters->Append(&p_presenter);
+}
+
+// OFFSET: LEGO1 0x100b8980
+void MxMediaManager::RemovePresenter(MxPresenter &p_presenter)
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+  MxPresenterListCursor cursor(this->m_presenters);
+
+  if (cursor.Find(&p_presenter))
+    cursor.Detach();
+}
+
+// OFFSET: LEGO1 0x100b8ac0
+void MxMediaManager::StopPresenters()
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+  MxPresenter *presenter;
+  MxPresenterListCursor cursor(this->m_presenters);
+
+  while (cursor.Next(presenter))
+    presenter->EndAction();
+}
diff --git a/LEGO1/mxmediamanager.h b/LEGO1/mxmediamanager.h
index 76af63fb..9df073bc 100644
--- a/LEGO1/mxmediamanager.h
+++ b/LEGO1/mxmediamanager.h
@@ -4,20 +4,29 @@
 #include "mxcore.h"
 #include "mxcriticalsection.h"
 #include "mxthread.h"
+#include "mxpresenterlist.h"
 #include "mxtypes.h"
 
 // VTABLE 0x100dc6b0
+// SIZE 0x2c
 class MxMediaManager : public MxCore
 {
 public:
   MxMediaManager();
   virtual ~MxMediaManager() override;
 
+  virtual MxResult Tickle(); // vtable+08
+  virtual MxResult InitPresenters(); // vtable+14
+  virtual void Destroy(); // vtable+18
+  virtual void AddPresenter(MxPresenter &p_presenter); // vtable+1c
+  virtual void RemovePresenter(MxPresenter &p_presenter); // vtable+20
+  virtual void StopPresenters(); // vtable+24
+
   MxResult Init();
-  void Teardown();
+  
 private:
-  void* m_unk08;
-  MxThread* m_thread; // 0xc
+  MxPresenterList *m_presenters;
+  MxThread *m_thread; // 0xc
 
 protected:
   MxCriticalSection m_criticalSection; // 0x10
diff --git a/LEGO1/mxpresenter.h b/LEGO1/mxpresenter.h
index 4b8659ec..87ef9645 100644
--- a/LEGO1/mxpresenter.h
+++ b/LEGO1/mxpresenter.h
@@ -77,7 +77,7 @@ class MxPresenter : public MxCore
   undefined4 m_unk0x10;
   undefined4 m_unk0x14;
   undefined4 m_unk0x18;
-  MxDSAction* m_action; // 0
+  MxDSAction *m_action; // 0
   MxCriticalSection m_criticalSection;
   MxPresenter *m_unkPresenter; // 0x3c
 };
diff --git a/LEGO1/mxpresenterlist.cpp b/LEGO1/mxpresenterlist.cpp
new file mode 100644
index 00000000..ca3f15a8
--- /dev/null
+++ b/LEGO1/mxpresenterlist.cpp
@@ -0,0 +1,14 @@
+#include "mxpresenterlist.h"
+#include "mxpresenter.h"
+
+DECOMP_SIZE_ASSERT(MxPresenterList, 0x18);
+
+// OFFSET: LEGO1 0x1001cd00
+MxS8 MxPresenterList::Compare(MxPresenter *p_var0, MxPresenter *p_var1)
+{
+  if (p_var1 == p_var0)
+    return 0;
+  if (p_var1 <= p_var0)
+    return 1;
+  return -1;
+}
diff --git a/LEGO1/mxpresenterlist.h b/LEGO1/mxpresenterlist.h
new file mode 100644
index 00000000..9373040d
--- /dev/null
+++ b/LEGO1/mxpresenterlist.h
@@ -0,0 +1,27 @@
+#ifndef MXPRESENTERLIST_H
+#define MXPRESENTERLIST_H
+
+#include "mxlist.h"
+
+class MxPresenter;
+
+// Unclear what the purpose of this class is
+// VTABLE 0x100d62f0
+// SIZE 0x18
+class MxPresenterListParent : public MxList<MxPresenter>
+{
+public:
+  MxPresenterListParent() {
+    m_customDestructor = Destroy;
+  }
+};
+
+// VTABLE 0x100d6308
+// SIZE 0x18
+class MxPresenterList : public MxPresenterListParent
+{
+public:
+  virtual MxS8 Compare(MxPresenter *, MxPresenter *); // +0x14
+};
+
+#endif // MXPRESENTERLIST_H