diff --git a/.rive_head b/.rive_head
index 92d5321..44802f1 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-562fc5c51f6ea36b510c8403418e80569079a042
+61f553d6d079a00c264c8668c07762aee46b9720
diff --git a/dependencies/premake5_miniaudio.lua b/dependencies/premake5_miniaudio.lua
index 183cfdc..a83cc41 100644
--- a/dependencies/premake5_miniaudio.lua
+++ b/dependencies/premake5_miniaudio.lua
@@ -1,3 +1,2 @@
 local dependency = require('dependency')
--- miniaudio = dependency.github('rive-app/miniaudio', 'rive')
 miniaudio = dependency.github('rive-app/miniaudio', 'rive_changes')
diff --git a/dependencies/premake5_miniaudio_v2.lua b/dependencies/premake5_miniaudio_v2.lua
index c266134..b193cb8 100644
--- a/dependencies/premake5_miniaudio_v2.lua
+++ b/dependencies/premake5_miniaudio_v2.lua
@@ -1,3 +1,3 @@
 dofile('rive_build_config.lua')
 local dependency = require('dependency')
-miniaudio = dependency.github('rive-app/miniaudio', 'rive')
+miniaudio = dependency.github('rive-app/miniaudio', 'rive_changes')
diff --git a/include/rive/artboard.hpp b/include/rive/artboard.hpp
index 6fe3baa..a110e0f 100644
--- a/include/rive/artboard.hpp
+++ b/include/rive/artboard.hpp
@@ -11,6 +11,7 @@
 #include "rive/shapes/shape_paint_container.hpp"
 #include "rive/text/text_value_run.hpp"
 #include "rive/event.hpp"
+#include "rive/audio/audio_engine.hpp"
 
 #include <queue>
 #include <vector>
@@ -57,6 +58,10 @@
     bool m_IsInstance = false;
     bool m_FrameOrigin = true;
 
+#ifdef EXTERNAL_RIVE_AUDIO_ENGINE
+    rcp<AudioEngine> m_audioEngine;
+#endif
+
     void sortDependencies();
     void sortDrawOrder();
 
@@ -251,6 +256,11 @@
     void frameOrigin(bool value);
 
     StatusCode import(ImportStack& importStack) override;
+
+#ifdef EXTERNAL_RIVE_AUDIO_ENGINE
+    rcp<AudioEngine> audioEngine() const;
+    void audioEngine(rcp<AudioEngine> audioEngine);
+#endif
 };
 
 class ArtboardInstance : public Artboard
diff --git a/include/rive/audio/audio_engine.hpp b/include/rive/audio/audio_engine.hpp
index b84a13f..de7b21d 100644
--- a/include/rive/audio/audio_engine.hpp
+++ b/include/rive/audio/audio_engine.hpp
@@ -45,6 +45,7 @@
 
 #ifdef EXTERNAL_RIVE_AUDIO_ENGINE
     bool readAudioFrames(float* frames, uint64_t numFrames, uint64_t* framesRead = nullptr);
+    bool sumAudioFrames(float* frames, uint64_t numFrames);
 #endif
 
 private:
@@ -57,6 +58,10 @@
     void completeSound(rcp<AudioSound> sound);
     void purgeCompletedSounds();
     static void SoundCompleted(void* pUserData, ma_sound* pSound);
+
+#ifdef EXTERNAL_RIVE_AUDIO_ENGINE
+    std::vector<float> m_readFrames;
+#endif
 };
 } // namespace rive
 
diff --git a/src/artboard.cpp b/src/artboard.cpp
index 0aa29a3..6f18718 100644
--- a/src/artboard.cpp
+++ b/src/artboard.cpp
@@ -846,3 +846,19 @@
     }
     return scene;
 }
+
+#ifdef EXTERNAL_RIVE_AUDIO_ENGINE
+rcp<AudioEngine> Artboard::audioEngine() const { return m_audioEngine; }
+void Artboard::audioEngine(rcp<AudioEngine> audioEngine)
+{
+    m_audioEngine = audioEngine;
+    for (auto nestedArtboard : m_NestedArtboards)
+    {
+        auto artboard = nestedArtboard->artboard();
+        if (artboard != nullptr)
+        {
+            artboard->audioEngine(audioEngine);
+        }
+    }
+}
+#endif
\ No newline at end of file
diff --git a/src/audio/audio_engine.cpp b/src/audio/audio_engine.cpp
index d99fb61..c85eee1 100644
--- a/src/audio/audio_engine.cpp
+++ b/src/audio/audio_engine.cpp
@@ -1,4 +1,5 @@
 #ifdef WITH_RIVE_AUDIO
+#include "rive/math/simd.hpp"
 #ifdef __APPLE__
 #include <TargetConditionals.h>
 #if TARGET_IPHONE_SIMULATOR || TARGET_OS_MACCATALYST || TARGET_OS_IPHONE
@@ -172,6 +173,45 @@
                                      (ma_uint64)numFrames,
                                      (ma_uint64*)framesRead) == MA_SUCCESS;
 }
+bool AudioEngine::sumAudioFrames(float* frames, uint64_t numFrames)
+{
+    size_t numChannels = (size_t)channels();
+    size_t count = (size_t)numFrames * numChannels;
+
+    if (m_readFrames.size() < count)
+    {
+        m_readFrames.resize(count);
+    }
+    ma_uint64 framesRead = 0;
+    if (ma_engine_read_pcm_frames(m_engine,
+                                  (void*)m_readFrames.data(),
+                                  (ma_uint64)numFrames,
+                                  &framesRead) != MA_SUCCESS)
+    {
+        return false;
+    }
+
+    count = framesRead * numChannels;
+
+    const size_t alignedCount = count - count % 4;
+    float* src = m_readFrames.data();
+    float* dst = frames;
+    float* srcEnd = src + alignedCount;
+
+    while (src != srcEnd)
+    {
+        float4 sum = simd::load4f(src) + simd::load4f(dst);
+        simd::store(dst, sum);
+
+        src += 4;
+        dst += 4;
+    }
+    for (size_t i = alignedCount; i < count; i++)
+    {
+        frames[i] += m_readFrames[i];
+    }
+    return true;
+}
 #endif
 
 #endif
\ No newline at end of file
diff --git a/src/audio_event.cpp b/src/audio_event.cpp
index 3a6ead5..8ea32c6 100644
--- a/src/audio_event.cpp
+++ b/src/audio_event.cpp
@@ -2,6 +2,7 @@
 #include "rive/assets/audio_asset.hpp"
 #include "rive/audio/audio_engine.hpp"
 #include "rive/audio/audio_sound.hpp"
+#include "rive/artboard.hpp"
 
 using namespace rive;
 
@@ -20,7 +21,13 @@
     {
         return;
     }
-    auto engine = AudioEngine::RuntimeEngine();
+
+    auto engine =
+#ifdef EXTERNAL_RIVE_AUDIO_ENGINE
+        artboard()->audioEngine() != nullptr ? artboard()->audioEngine() :
+#endif
+                                             AudioEngine::RuntimeEngine();
+
     engine->play(audioSource, engine->timeInFrames(), 0, 0);
 #endif
 }