The piano concerto #25 by Mozart was composed for himself “or for a small circle of amateurs and connoisseurs”, which resulted in the fact that – excepting a few – it was not published during his lifetime. It was only published posthumously by his wife, Constanze, at her own expense.
Mozart’s particular fondness for this work can be seen from a sketch leaf for the first movement, on which he thoroughly honed the composition. The Concerto K. 503, is the most
technically difficult of all of the concertos, and can perhaps be seen as
the culmination of his output in this form.
Here is pianist Mitsuko Uchida to perform this masterpiece for you: