diff --git a/src/kc/data/tl7.js b/src/kc/data/tl7.js
index 54c0719..e3902e4 100644
--- a/src/kc/data/tl7.js
+++ b/src/kc/data/tl7.js
@@ -36,7 +36,7 @@
         label: "af-0"         
         type: "af"         
         ref: "mf-0"         
-        offset: 39319200         
+        offset: 39479584 //39319200         
         smpCnt: 161880021         
         trackId: 0         
         textStr: "Audio Files/Piano 3_01.wav"         
@@ -1864,7 +1864,7 @@
         label: "af-13"         
         type: "af"         
         ref: "mf-7"         
-        offset: -1209600         
+        offset: -1123968 //-1209600         
         smpCnt: 113709139         
         trackId: 6         
         textStr: "Audio Files/Piano 3_17.wav"         
@@ -2157,7 +2157,7 @@
         label: "af-15"         
         type: "af"         
         ref: "mf-8"         
-        offset: -6038400         
+        offset: -5971136 //-6038400         
         smpCnt: 186379855         
         trackId: 7         
         textStr: "Audio Files/Piano 3_19.wav"