In the Mozart Museum in Salzburg, there's a piano by Anton Walter of Vienna. It has two fewer octaves than a modern piano, a device operated by the player's knee to 'dampen' the sound, and a knob ...

It is the fate of Mozart's piano and violin sonatas to provide fodder for enthusiastic (and often not so enthusiastic) youngsters, and for many, myself included, first acquaintance comes in less than ...