diff --git a/Completeness-CategoryAudio.md b/Completeness-CategoryAudio.md
index a2a0f26..66222d0 100644
--- a/Completeness-CategoryAudio.md
+++ b/Completeness-CategoryAudio.md
@@ -2,12 +2,12 @@
 
 | ☑ | Function                       | libSDLpp method(s) / Notes |
 |:-:|--------------------------------|----------------------------|
-| ☐ | SDL_AudioInit                  | |
-| ☐ | SDL_AudioQuit                  | |
+| ☐ | ~~SDL_AudioInit~~              | internal function |
+| ☐ | ~~SDL_AudioQuit~~              | internal function |
 | ☐ | SDL_BuildAudioCVT              | |
-| ☐ | SDL_ClearQueuedAudio           | |
+| ☑ | SDL_ClearQueuedAudio           | AudioDevice::ClearQueuedAudio() (since SDL-2.0.4) |
 | ☐ | ~~SDL_CloseAudio~~             | legacy |
-| ☐ | SDL_CloseAudioDevice           | |
+| ☑ | SDL_CloseAudioDevice           | AudioDevice::~AudioDevice() |
 | ☐ | SDL_ConvertAudio               | |
 | ☐ | SDL_FreeWAV                    | |
 | ☐ | SDL_GetAudioDeviceName         | |
@@ -17,17 +17,17 @@
 | ☐ | SDL_GetCurrentAudioDriver      | |
 | ☐ | SDL_GetNumAudioDevices         | |
 | ☐ | SDL_GetNumAudioDrivers         | |
-| ☐ | SDL_GetQueuedAudioSize         | |
+| ☑ | SDL_GetQueuedAudioSize         | AudioDevice::GetQueuedAudioSize() (since SDL-2.0.4) |
 | ☐ | SDL_LoadWAV                    | |
 | ☐ | SDL_LoadWAV_RW                 | |
 | ☐ | ~~SDL_LockAudio~~              | legacy |
-| ☐ | SDL_LockAudioDevice            | |
+| ☑ | SDL_LockAudioDevice            | AudioDevice::Lock(), AudioDevice::LockHandle::LockHandle() |
 | ☐ | ~~SDL_MixAudio~~               | legacy |
 | ☐ | SDL_MixAudioFormat             | |
 | ☐ | ~~SDL_OpenAudio~~              | legacy |
-| ☐ | SDL_OpenAudioDevice            | |
+| ☑ | SDL_OpenAudioDevice            | AudioDevice::AudioDevice() |
 | ☐ | ~~SDL_PauseAudio~~             | legacy |
-| ☐ | SDL_PauseAudioDevice           | |
-| ☐ | SDL_QueueAudio                 | |
+| ☑ | SDL_PauseAudioDevice           | AudioDevice::Pause() |
+| ☑ | SDL_QueueAudio                 | AudioDevice::QueueAudio() (since SDL-2.0.4) |
 | ☐ | ~~SDL_UnlockAudio~~            | legacy |
-| ☐ | SDL_UnlockAudioDevice          | |
+| ☑ | SDL_UnlockAudioDevice          | AudioDevice::LockHandle::~LockHandle() |