Beethoven's Piano Sonata No. 17 in D minor, Opus 31 No. 2
go to movement 3 for a bio of Kempff
"Just read Shakespeare's The Tempest", said Beethoven when he was asked about this piece (and the Appassionata, Op. 57)-So reports Anton Schindler, who is not the most trustworthy source.

recorded in Paris, 1968