"Keyboard works" . . . . . . . . . . "Keyboard works" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Gy\u00F6rgy Ligeti edition" . . . . . . "piano four-hands, piano, 2 pianos, harpsichord, organ" . . . "Hamburg 13 : prod. Sony Classical GmbH, P 1997" . . . . .