diff --git a/src/xenia/app/emulator_window.cc b/src/xenia/app/emulator_window.cc
index e04073454..6703272d9 100644
--- a/src/xenia/app/emulator_window.cc
+++ b/src/xenia/app/emulator_window.cc
@@ -490,6 +490,73 @@ void EmulatorWindow::EmulatorWindowListener::OnMouseDoubleClick(
   emulator_window_.OnMouseDoubleClick(e);
 }
 
+void EmulatorWindow::XMPConfigDialog::OnDraw(ImGuiIO& io) {
+  // Center window horizontally, position in lower portion of screen
+  float window_width = 400.0f;
+  float window_height = 150.0f;
+  float x = (io.DisplaySize.x - window_width) * 0.5f;
+  float y = io.DisplaySize.y * 0.85f - window_height * 0.5f;
+
+  ImGui::SetNextWindowPos(ImVec2(x, y), ImGuiCond_FirstUseEver);
+  ImGui::SetNextWindowSize(ImVec2(window_width, window_height),
+                           ImGuiCond_FirstUseEver);
+
+  bool dialog_open = true;
+  if (!ImGui::Begin("Audio Player Menu", &dialog_open,
+                    ImGuiWindowFlags_NoCollapse |
+                        ImGuiWindowFlags_AlwaysAutoResize |
+                        ImGuiWindowFlags_HorizontalScrollbar)) {
+    Close();
+    ImGui::End();
+    return;
+  }
+
+  auto audio_player = emulator_window_.emulator_->audio_media_player();
+  using xmp_state = kernel::xam::apps::XmpApp::State;
+  if (audio_player) {
+    ImGui::Text("Audio player status:");
+    ImGui::SameLine();
+    switch (audio_player->GetState()) {
+      case xmp_state::kIdle:
+        ImGui::Text("Idle");
+        break;
+      case xmp_state::kPaused:
+        ImGui::Text("Paused");
+        break;
+      case xmp_state::kPlaying:
+        ImGui::Text("Playing");
+        break;
+      default:
+        break;
+    }
+
+    if (audio_player->IsPlaying()) {
+      if (ImGui::Button("Pause")) {
+        audio_player->Pause();
+      }
+    } else if (audio_player->IsPaused()) {
+      if (ImGui::Button("Resume")) {
+        audio_player->Continue();
+      }
+    }
+
+    volume_ =
+        emulator_window_.emulator_->audio_media_player()->GetVolume()->load();
+
+    if (ImGui::SliderFloat("Audio player volume", &volume_, 0.0f, 1.0f)) {
+      audio_player->SetVolume(volume_);
+    }
+  }
+
+  if (!dialog_open) {
+    ImGui::End();
+    emulator_window_.ToggleXMPConfigDialog();
+    return;
+  }
+
+  ImGui::End();
+}
+
 bool EmulatorWindow::Initialize() {
   window_->AddListener(&window_listener_);
   window_->AddInputListener(&window_listener_, kZOrderEmulatorWindowInput);
@@ -1050,6 +1117,9 @@ void EmulatorWindow::OnMouseDown(const ui::MouseEvent& e) {
       context_menu->AddAction("Profiles Menu",
                               [this]() { ToggleProfilesConfigDialog(); });
 
+      context_menu->AddAction("XMP Audio Player",
+                              [this]() { ToggleXMPConfigDialog(); });
+
       // Show menu at mouse position
       QPoint global_pos = QCursor::pos();
       context_menu->ShowAt(global_pos);
@@ -1544,6 +1614,15 @@ void EmulatorWindow::OpenConfigDialog(const std::string& category) {
   config_dialog_qt_->activateWindow();
 }
 
+void EmulatorWindow::ToggleXMPConfigDialog() {
+  if (!xmp_config_dialog_) {
+    xmp_config_dialog_ = std::unique_ptr<XMPConfigDialog>(
+        new XMPConfigDialog(imgui_drawer_.get(), *this));
+  } else {
+    xmp_config_dialog_.reset();
+  }
+}
+
 void EmulatorWindow::ToggleControllerVibration() {
   auto input_sys = emulator()->input_system();
   if (input_sys) {
diff --git a/src/xenia/app/emulator_window.h b/src/xenia/app/emulator_window.h
index 4bea01b28..ec04c69b2 100644
--- a/src/xenia/app/emulator_window.h
+++ b/src/xenia/app/emulator_window.h
@@ -113,6 +113,7 @@ class EmulatorWindow {
                  const xe::ui::RawImage& image);
 
   void ToggleProfilesConfigDialog();
+  void ToggleXMPConfigDialog();
   void SetHotkeysState(bool enabled) { disable_hotkeys_ = !enabled; }
   void FileOpen();
   const std::vector<RecentTitleEntry>& GetRecentlyLaunchedTitles() const {
@@ -180,6 +181,26 @@ class EmulatorWindow {
   };
 
  public:
+  class XMPConfigDialog final : public ui::ImGuiDialog {
+   public:
+    XMPConfigDialog(ui::ImGuiDrawer* imgui_drawer,
+                    EmulatorWindow& emulator_window)
+        : ui::ImGuiDialog(imgui_drawer), emulator_window_(emulator_window) {
+      if (emulator_window_.emulator_->audio_media_player()) {
+        volume_ = emulator_window_.emulator_->audio_media_player()
+                      ->GetVolume()
+                      ->load();
+      }
+    }
+
+   protected:
+    void OnDraw(ImGuiIO& io) override;
+
+   private:
+    EmulatorWindow& emulator_window_;
+    float volume_ = 0.0f;
+  };
+
   explicit EmulatorWindow(Emulator* emulator,
                           ui::WindowedAppContext& app_context, uint32_t width,
                           uint32_t height, bool is_game_process = false);
@@ -283,6 +304,8 @@ class EmulatorWindow {
   // messages back to guest.
   std::unique_ptr<ProfileConfigDialog> profile_config_dialog_;
 
+  std::unique_ptr<XMPConfigDialog> xmp_config_dialog_;
+
   std::vector<RecentTitleEntry> recently_launched_titles_;
 
   // Menu items that need to be enabled/disabled based on child process state
diff --git a/src/xenia/apu/audio_media_player.cc b/src/xenia/apu/audio_media_player.cc
index b88e5aab2..76e460c9e 100644
--- a/src/xenia/apu/audio_media_player.cc
+++ b/src/xenia/apu/audio_media_player.cc
@@ -448,7 +448,7 @@ void AudioMediaPlayer::RemovePlaylist(uint32_t handle) {
 }
 
 X_STATUS AudioMediaPlayer::SetVolume(float volume) {
-  volume_ = std::min(volume, 1.0f);
+  volume_.store(std::min(volume, 1.0f));
 
   std::unique_lock<xe_mutex> guard(driver_mutex_);
   if (!driver_) {
diff --git a/src/xenia/apu/audio_media_player.h b/src/xenia/apu/audio_media_player.h
index 4343a8b9d..6d0745dd5 100644
--- a/src/xenia/apu/audio_media_player.h
+++ b/src/xenia/apu/audio_media_player.h
@@ -51,7 +51,7 @@ class AudioMediaPlayer {
   bool IsLastSongInPlaylist() const;
 
   X_STATUS SetVolume(float volume);
-  float GetVolume() const { return volume_; }
+  const std::atomic<float>* GetVolume() const { return &volume_; }
 
   void SetPlaybackMode(XmpApp::PlaybackMode playback_mode) {
     playback_mode_ = playback_mode;
@@ -106,7 +106,7 @@ class AudioMediaPlayer {
   XmpApp::PlaybackMode playback_mode_ = XmpApp::PlaybackMode::kInOrder;
   XmpApp::RepeatMode repeat_mode_ = XmpApp::RepeatMode::kPlaylist;
   XmpApp::PlaybackFlags playback_flags_ = XmpApp::PlaybackFlags::kDefault;
-  float volume_ = 1.0f;
+  std::atomic<float> volume_ = 0.0f;
   uint32_t dash_init_state = 0;
 
   std::unordered_map<uint32_t, std::unique_ptr<XmpApp::Playlist>> playlists_;
diff --git a/src/xenia/cpu/backend/x64/x64_op.h b/src/xenia/cpu/backend/x64/x64_op.h
index 68e67567c..b923bc31b 100644
--- a/src/xenia/cpu/backend/x64/x64_op.h
+++ b/src/xenia/cpu/backend/x64/x64_op.h
@@ -175,6 +175,10 @@ struct ValueOp : Op<ValueOp<T, KEY_TYPE, REG_TYPE, CONST_TYPE>, KEY_TYPE> {
   virtual bool ConstantFitsIn32Reg() const { return true; }
   const REG_TYPE& reg() const {
     assert_true(!is_constant);
+    if (is_constant) {
+      XELOGE("{} - Invalid handling of constant! Report this to developers!",
+             __FUNCTION__);
+    }
     return reg_;
   }
   operator const REG_TYPE&() const { return reg(); }
diff --git a/src/xenia/cpu/backend/x64/x64_seq_vector.cc b/src/xenia/cpu/backend/x64/x64_seq_vector.cc
index cc4016abd..d4aea1029 100644
--- a/src/xenia/cpu/backend/x64/x64_seq_vector.cc
+++ b/src/xenia/cpu/backend/x64/x64_seq_vector.cc
@@ -1885,7 +1885,12 @@ struct VECTOR_ROTATE_LEFT_V128
         } break;
         case INT32_TYPE: {
           if (e.IsFeatureEnabled(kX64EmitAVX512Ortho)) {
-            e.vprolvd(i.dest, i.src1, i.src2);
+            if (i.src2.is_constant) {
+              e.LoadConstantXmm(e.xmm0, i.src2.constant());
+              e.vprolvd(i.dest, i.src1, e.xmm0);
+            } else {
+              e.vprolvd(i.dest, i.src1, i.src2);
+            }
           } else if (e.IsFeatureEnabled(kX64EmitAVX2)) {
             Xmm temp = i.dest;
             if (i.dest == i.src1 || i.dest == i.src2) {
diff --git a/src/xenia/kernel/xam/apps/xmp_app.cc b/src/xenia/kernel/xam/apps/xmp_app.cc
index 95176156e..283e17d34 100644
--- a/src/xenia/kernel/xam/apps/xmp_app.cc
+++ b/src/xenia/kernel/xam/apps/xmp_app.cc
@@ -262,7 +262,7 @@ X_HRESULT XmpApp::DispatchMessageSync(uint32_t message, uint32_t buffer_ptr,
 
       xe::store_and_swap<float>(
           memory_->TranslateVirtual(args->volume_ptr),
-          kernel_state_->emulator()->audio_media_player()->GetVolume());
+          kernel_state_->emulator()->audio_media_player()->GetVolume()->load());
       return X_E_SUCCESS;
     }
     case 0x0007000C: {
@@ -401,7 +401,7 @@ X_HRESULT XmpApp::DispatchMessageSync(uint32_t message, uint32_t buffer_ptr,
       XMP_CREATE_USER_PLAYLIST_ENUMERATOR* args =
           reinterpret_cast<XMP_CREATE_USER_PLAYLIST_ENUMERATOR*>(buffer);
 
-      XELOGD("XMPSetPlaybackController({:08X}, {:08X}, {:08X})",
+      XELOGD("XMPCreateUserPlaylistEnumerator({:08X}, {:08X}, {:08X})",
              uint32_t(args->xmp_client), uint32_t(args->flags),
              uint32_t(args->unk_ptr));
       return X_E_SUCCESS;
diff --git a/src/xenia/kernel/xam/apps/xmp_app.h b/src/xenia/kernel/xam/apps/xmp_app.h
index b0324fd81..92f228102 100644
--- a/src/xenia/kernel/xam/apps/xmp_app.h
+++ b/src/xenia/kernel/xam/apps/xmp_app.h
@@ -86,7 +86,7 @@ static_assert_size(XMP_GET_VOLUME, 0x8);
 
 struct XMP_SET_VOLUME {
   xe::be<uint32_t> xmp_client;
-  xe::be<uint32_t> value;
+  xe::be<float> value;
 };
 static_assert_size(XMP_SET_VOLUME, 0x8);
 
diff --git a/src/xenia/kernel/xam/xam_net.cc b/src/xenia/kernel/xam/xam_net.cc
index 6f634f3e0..d8024d1fc 100644
--- a/src/xenia/kernel/xam/xam_net.cc
+++ b/src/xenia/kernel/xam/xam_net.cc
@@ -672,7 +672,8 @@ dword_result_t NetDll_socket_entry(dword_t caller, dword_t af, dword_t type,
     socket->Release();
 
     XThread::SetLastError(socket->GetLastWSAError());
-    XELOGI("NetDll_socket: failed with error");
+    XELOGE("NetDll_socket: failed with error {:08X}",
+           socket->GetLastWSAError());
     return -1;
   }
 
@@ -765,7 +766,8 @@ dword_result_t NetDll_ioctlsocket_entry(dword_t caller, dword_t socket_handle,
   X_STATUS status = socket->IOControl(cmd, arg_ptr);
   if (XFAILED(status)) {
     XThread::SetLastError(socket->GetLastWSAError());
-    XELOGI("NetDll_ioctlsocket: failed");
+    XELOGE("NetDll_ioctlsocket: failed with error {:08X}",
+           socket->GetLastWSAError());
     return -1;
   }
 
@@ -1072,7 +1074,6 @@ dword_result_t NetDll_sendto_entry(dword_t caller, dword_t socket_handle,
 
   N_XSOCKADDR_IN native_to(to_ptr);
   int ret = socket->SendTo(buf_ptr, buf_len, flags, &native_to, to_len);
-  XELOGD("NetDll_sendto: returned {}", ret);
   return ret;
 }
 DECLARE_XAM_EXPORT1(NetDll_sendto, kNetworking, kImplemented);
diff --git a/src/xenia/kernel/xsocket.cc b/src/xenia/kernel/xsocket.cc
index a979d5423..3f9bbaada 100644
--- a/src/xenia/kernel/xsocket.cc
+++ b/src/xenia/kernel/xsocket.cc
@@ -157,7 +157,7 @@ X_STATUS XSocket::SetOption(uint32_t level, uint32_t optname, void* optval_ptr,
   }
 
   int ret = setsockopt(native_handle_, native_level, native_optname,
-                       (char*)optval_ptr, optlen);
+                       static_cast<char*>(optval_ptr), optlen);
   if (ret < 0) {
     XELOGE("XSocket::SetOption: setsockopt failed, errno={}", errno);
     return X_STATUS_UNSUCCESSFUL;
@@ -218,7 +218,7 @@ X_STATUS XSocket::Bind(N_XSOCKADDR_IN* name, int name_len) {
   // privileges. Remap to port + 10000 to avoid privilege issues.
   // Note: sin_port is xe::be<uint16_t> which automatically handles endianness,
   // so we use it directly without ntohs/htons.
-  uint16_t original_port = uint16_t(name->sin_port);
+  const uint16_t original_port = uint16_t(name->sin_port);
   if (original_port < 1024) {
     uint16_t new_port = original_port + 10000;
     name->sin_port = new_port;