This newish recording, the first to feature the Duplex Coupler Grand Piano invented by Emanuel Moór, was released by Oehms Classics in April last year.
Sound bites here (https://www.prestomusic.com/classical/products/9464731--moor-dohnanyi-strauss-sonatas-for-cello-and-duplex-piano). More information about the project here (http://duplexpiano.de/en/).
And very fine it sounds too! Thanks for pointing it out.