Ever since Brendan Carroll mentioned it somewhere here (cannot find it anymore), I hoped this woukd be released someday, having waited in the Korngold famy archive for quite so long:
I discovered this only today:
https://musicwebinternational.com/2025/03/korngold-symphony-in-f-sharp-supertrain-records/
It ia combined with a 90s live recording with Mauceri conducting the orchestra della svizzera italiana which was prepared using this Piano recording.
There is a podcast episode interviewing both Mauceri and a Korngold grandson, very interesting: https://dts.podtrac.com/redirect.mp3/www.wgte.org/sites/default/files/2025-03/John-Mauceri-and-Leslie-Korngold-Interview-Export.mp3 (they hint at a similar piano recording of the symphonic Serenade!)
Well I cannot get enough of Korngold's piano playing, so this might be a must...
Best wishes, ewk