Lots more fascinating stuff on that web site. Most of it seems to be pre-romantic but Strauss's Don Juan played on two pianos is a new experience for me. One slight downside is that many of the CD sleeves are reproduced too small to be easily decipherable. I've bookmarked it here: https://klangraumtirol.musikland-tirol.at/Musikgenies/praesentation.html
Clicking on each CD cover brings up its playable list of tracks. There's tons more if you explore around
Clicking on each CD cover brings up its playable list of tracks. There's tons more if you explore around