The review includes an attached recording of an encore.
Anyone who plays knows: perception is different when you are busy playing, versus when you are listening while seated in the audience or via a recording.
Music, too, is one, a hundred thousand, none...
Francesco Libetta, the Busoni virtuoso
http://www.ilcorrieremusicale.it/2016/06/01/francesco-libetta-il-virtuoso-busoniano/