diff --git a/HACKING b/HACKING
index 5152f78d..586a564c 100644
--- a/HACKING
+++ b/HACKING
@@ -45,3 +45,4 @@ Test discs
 ----------
 The Strokes - Someday (promo): has 1 frame silence marked as SILENCE
 The Pixies - Surfer Rosa/Come on Pilgrim: has pre-gap, and INDEX 02 on TRACK 11
+Florence & The Machine - Lungs: data track