Ok, my take. After re-listening to my recording, it still sounds very tumbler-ish compared to the sound of Christian's during his lesson. And I screwed up the ending, wasn't sure if my muscle memory was right, and then just kicked out two notes that are supposed to be played way more smooth.
Anyway, it is very hot these days and my keyboard surface tends to get sticky. So the best time to record is before noon. Yesterday afternoon I tried to get a recording as well, but the slides just didn't work out.
Now it is time to go back to sight-reading as well. I paused that part of my learning path for too long, now.