I had to listen to that second part several times before I could pick up the difference too. They sound equivalent unless I concentrate.
And me. I guess - as most probable explanation - they just lost something crucial in retelling. The notes drag on a fair bit in the second part. I can hear the difference if I really concentrate. But its ilke a typo in the text. If the text was blurred.
Here's the new thread for posting quotes, with the usual rules: