"The video I presented to you is not to be evaluated as a critical listening experience of the system, but to provide the viewer with some ideas and hint of what is possible to achieve with vintage drivers, transformers, capacitors etc."
Really? How were you supposed to be demonstrating that with such poor material and bad sound? I think that I have heard sound just as spectacular made by garbage collectors in alleyways...with better dynamic range.
That looked like a great system. Why wouldn't he choose a demo track with a combination of percussion, human voice. strings and brass instruments to showcase its capabilities?