S 521 copy 1 classic reprint

A friend called one winter day and found the pair waltzing round the room. Rubinstein made a lot of records - over 100 hours worth. How were his mathematical abilities benefiting him in the real world. Berke, Dietrich and Wolfgang Rehm (with collaboration of Miriam Pfadt) (2007) Die Neue Mozart-Ausgabe Texte - Bilder - Chronik, 1955-2007.