diff --git a/content/seeing-red.dj b/content/seeing-red.dj
index 4eeb3b2..a83b1e6 100644
--- a/content/seeing-red.dj
+++ b/content/seeing-red.dj
@@ -210,7 +210,7 @@ But, to my surprise, there was no cuckoo at all!
 
 Instead, a melody started playing.
 
-`<audio src="/static/sound/waltz_for_blue.flac" controls></audio>`{=html}
+`<audio src="/static/sound/waltz.ogg" controls></audio>`{=html}
 
 --- There's no cuckoo? --- I asked.\
 --- Ha ha ha, got you! You didn't pay close enough attention to notice, but there was a music box inside all along.
diff --git a/static/sound/waltz.ogg b/static/sound/waltz.ogg
new file mode 100644
index 0000000..bcefd4c
Binary files /dev/null and b/static/sound/waltz.ogg differ
diff --git a/static/sound/waltz_for_blue.flac b/static/sound/waltz_for_blue.flac
deleted file mode 100644
index a1439ff..0000000
Binary files a/static/sound/waltz_for_blue.flac and /dev/null differ