diff --git a/audiomixer-test.diff b/audiomixer-test.diff
new file mode 100644
index 0000000000..73b1274070
--- /dev/null
+++ b/audiomixer-test.diff
@@ -0,0 +1,14 @@
+diff --git a/audio/audio_driver.c b/audio/audio_driver.c
+index 10dcbc5b3..dd959f900 100644
+--- a/audio/audio_driver.c
++++ b/audio/audio_driver.c
+@@ -597,6 +597,9 @@ static bool audio_driver_flush(const int16_t *data, size_t samples)
+ 
+    audio_driver_resampler->process(audio_driver_resampler_data, &src_data);
+ 
++   audio_mixer_load_wav("/home/squarepusher/nav.wav");
++   audio_mixer_mix(audio_driver_output_samples_buf, src_data.output_frames);
++
+    output_data   = audio_driver_output_samples_buf;
+    output_frames = (unsigned)src_data.output_frames;
+