diff --git a/src/libtomahawk/audio/AudioEngine_p.h b/src/libtomahawk/audio/AudioEngine_p.h
new file mode 100644
index 000000000..f0e2be245
--- /dev/null
+++ b/src/libtomahawk/audio/AudioEngine_p.h
@@ -0,0 +1,55 @@
+
+#include <phonon/MediaObject>
+#include <phonon/AudioOutput>
+#include <phonon/BackendCapabilities>
+
+#include <QObject>
+#include <QTimer>
+#include <QQueue>
+#include <QTemporaryFile>
+
+class AudioEnginePrivate : public QObject
+{
+Q_OBJECT
+
+public:
+    AudioEnginePrivate( AudioEngine* q )
+        : q_ptr ( q )
+    {
+    }
+    AudioEngine* q_ptr;
+    Q_DECLARE_PUBLIC ( AudioEngine )
+
+
+public slots:
+    void onStateChanged( Phonon::State newState, Phonon::State oldState );
+
+private:
+    QSharedPointer<QIODevice> input;
+
+    Tomahawk::query_ptr stopAfterTrack;
+    Tomahawk::result_ptr currentTrack;
+    Tomahawk::playlistinterface_ptr playlist;
+    Tomahawk::playlistinterface_ptr currentTrackPlaylist;
+    Tomahawk::playlistinterface_ptr queue;
+
+    Phonon::MediaObject* mediaObject;
+    Phonon::AudioOutput* audioOutput;
+
+    unsigned int timeElapsed;
+    bool expectStop;
+    bool waitingOnNewTrack;
+
+    mutable QStringList supportedMimeTypes;
+
+    AudioState state;
+    QQueue< AudioState > stateQueue;
+    QTimer stateQueueTimer;
+
+    uint_fast8_t underrunCount;
+    bool underrunNotified;
+
+    QTemporaryFile* coverTempFile;
+
+    static AudioEngine* s_instance;
+};