diff --git a/CMakeLists.txt b/CMakeLists.txt
index 818d3773..0e2135c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -140,8 +140,8 @@ add_library(lego1 SHARED
   LEGO1/mxmatrix.cpp
   LEGO1/mxmediamanager.cpp
   LEGO1/mxmediapresenter.cpp
-  LEGO1/mxmidimanager.cpp
   LEGO1/mxmidipresenter.cpp
+  LEGO1/mxmusicmanager.cpp
   LEGO1/mxmusicpresenter.cpp
   LEGO1/mxnotificationmanager.cpp
   LEGO1/mxobjectfactory.cpp
diff --git a/LEGO1/mxmidimanager.h b/LEGO1/mxmidimanager.h
deleted file mode 100644
index dd362594..00000000
--- a/LEGO1/mxmidimanager.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef MXMIDIMANAGER_H
-#define MXMIDIMANAGER_H
-
-#include "decomp.h"
-#include "mxaudiomanager.h"
-
-// VTABLE 0x100dc930
-// SIZE 0x58
-class MxMIDIManager : public MxAudioManager
-{
-public:
-  MxMIDIManager();
-  virtual ~MxMIDIManager() override;
-
-  virtual void Destroy() override; // vtable+18
-  virtual void SetVolume(MxS32 p_volume) override; // vtable+2c
-  virtual MxResult StartMIDIThread(MxU32 p_frequencyMS, MxU8 p_noRegister); // vtable+30
-
-private:
-  void LockedReinitialize(MxBool p_skipDestroy);
-  void DeinitializeMIDI();
-
-  MxS32 CalculateVolume(MxS32 p_volume);
-  void SetMIDIVolume();
-
-  HMIDISTRM m_MIDIStreamH;  // 0x30
-  MxBool m_MIDIInitialized; // 0x34
-  undefined4 m_unk38;       // 0x38
-  undefined4 m_unk3c;       // 0x3c
-  undefined4 m_unk40;       // 0x40
-  undefined4 m_unk44;       // 0x44
-  undefined4 m_unk48;       // 0x48
-  MIDIHDR *m_MIDIHdrP;      // 0x4c
-  MxS32 m_multiplier;       // 0x50
-  DWORD m_MIDIVolume;       // 0x54
-
-protected:
-  void Init();
-  void InitData();
-};
-
-#endif // MXMIDIMANAGER_H
\ No newline at end of file
diff --git a/LEGO1/mxmidimanager.cpp b/LEGO1/mxmusicmanager.cpp
similarity index 82%
rename from LEGO1/mxmidimanager.cpp
rename to LEGO1/mxmusicmanager.cpp
index 26b977df..247b6596 100644
--- a/LEGO1/mxmidimanager.cpp
+++ b/LEGO1/mxmusicmanager.cpp
@@ -1,23 +1,23 @@
-#include "mxmidimanager.h"
+#include "mxmusicmanager.h"
 #include "mxomni.h"
 #include <windows.h>
 
-DECOMP_SIZE_ASSERT(MxMIDIManager, 0x58);
+DECOMP_SIZE_ASSERT(MxMusicManager, 0x58);
 
 // OFFSET: LEGO1 0x100c05a0
-MxMIDIManager::MxMIDIManager()
+MxMusicManager::MxMusicManager()
 {
   Init();
 }
 
 // OFFSET: LEGO1 0x100c0630
-MxMIDIManager::~MxMIDIManager()
+MxMusicManager::~MxMusicManager()
 {
   LockedReinitialize(TRUE);
 }
 
 // OFFSET: LEGO1 0x100c0b20
-void MxMIDIManager::DeinitializeMIDI()
+void MxMusicManager::DeinitializeMIDI()
 {
   m_criticalSection.Enter();
 
@@ -36,14 +36,14 @@ void MxMIDIManager::DeinitializeMIDI()
 }
 
 // OFFSET: LEGO1 0x100c0690
-void MxMIDIManager::Init()
+void MxMusicManager::Init()
 {
   this->m_multiplier = 100;
   InitData();
 }
 
 // OFFSET: LEGO1 0x100c06a0
-void MxMIDIManager::InitData()
+void MxMusicManager::InitData()
 {
   this->m_MIDIStreamH = 0;
   this->m_MIDIInitialized = FALSE;
@@ -56,7 +56,7 @@ void MxMIDIManager::InitData()
 }
 
 // OFFSET: LEGO1 0x100c06c0
-void MxMIDIManager::LockedReinitialize(MxBool p_skipDestroy)
+void MxMusicManager::LockedReinitialize(MxBool p_skipDestroy)
 {
   if (this->m_thread)
   {
@@ -83,20 +83,20 @@ void MxMIDIManager::LockedReinitialize(MxBool p_skipDestroy)
 }
 
 // OFFSET: LEGO1 0x100c0930
-void MxMIDIManager::Destroy()
+void MxMusicManager::Destroy()
 {
   LockedReinitialize(FALSE);
 }
 
 // OFFSET: LEGO1 0x100c09a0
-MxS32 MxMIDIManager::CalculateVolume(MxS32 p_volume)
+MxS32 MxMusicManager::CalculateVolume(MxS32 p_volume)
 {
   MxS32 result = (p_volume * 0xffff) / 100;
   return (result << 0x10) | result;
 }
 
 // OFFSET: LEGO1 0x100c07f0
-void MxMIDIManager::SetMIDIVolume()
+void MxMusicManager::SetMIDIVolume()
 {
   MxS32 result = (this->m_volume * this->m_multiplier) / 0x64;
   HMIDISTRM streamHandle = this->m_MIDIStreamH;
@@ -109,7 +109,7 @@ void MxMIDIManager::SetMIDIVolume()
 }
 
 // OFFSET: LEGO1 0x100c0940
-void MxMIDIManager::SetVolume(MxS32 p_volume)
+void MxMusicManager::SetVolume(MxS32 p_volume)
 {
   MxAudioManager::SetVolume(p_volume);
   this->m_criticalSection.Enter();
@@ -118,7 +118,7 @@ void MxMIDIManager::SetVolume(MxS32 p_volume)
 }
 
 // OFFSET: LEGO1 0x100c0840
-MxResult MxMIDIManager::StartMIDIThread(MxU32 p_frequencyMS, MxBool p_noRegister)
+MxResult MxMusicManager::StartMIDIThread(MxU32 p_frequencyMS, MxBool p_noRegister)
 {
   MxResult status = FAILURE;
   MxBool locked = FALSE;
diff --git a/LEGO1/mxmusicmanager.h b/LEGO1/mxmusicmanager.h
index 4288ed1e..1a828c84 100644
--- a/LEGO1/mxmusicmanager.h
+++ b/LEGO1/mxmusicmanager.h
@@ -1,11 +1,42 @@
 #ifndef MXMUSICMANAGER_H
 #define MXMUSICMANAGER_H
 
-#include "mxcore.h"
+#include "decomp.h"
+#include "mxaudiomanager.h"
 
 // VTABLE 0x100dc930
-class MxMusicManager : public MxCore
+// SIZE 0x58
+class MxMusicManager : public MxAudioManager
 {
+public:
+  MxMusicManager();
+  virtual ~MxMusicManager() override;
+
+  virtual void Destroy() override; // vtable+18
+  virtual void SetVolume(MxS32 p_volume) override; // vtable+2c
+  virtual MxResult StartMIDIThread(MxU32 p_frequencyMS, MxU8 p_noRegister); // vtable+30
+
+private:
+  void LockedReinitialize(MxBool p_skipDestroy);
+  void DeinitializeMIDI();
+
+  MxS32 CalculateVolume(MxS32 p_volume);
+  void SetMIDIVolume();
+
+  HMIDISTRM m_MIDIStreamH;  // 0x30
+  MxBool m_MIDIInitialized; // 0x34
+  undefined4 m_unk38;       // 0x38
+  undefined4 m_unk3c;       // 0x3c
+  undefined4 m_unk40;       // 0x40
+  undefined4 m_unk44;       // 0x44
+  undefined4 m_unk48;       // 0x48
+  MIDIHDR *m_MIDIHdrP;      // 0x4c
+  MxS32 m_multiplier;       // 0x50
+  DWORD m_MIDIVolume;       // 0x54
+
+protected:
+  void Init();
+  void InitData();
 };
 
-#endif // MXMUSICMANAGER_H
+#endif // MXMUSICMANAGER_H
\ No newline at end of file