Simply perfect: Mozart's Piano Concerto No. 23 in A major K. 488 is one of his later Viennese piano concertos, in which Mozart brings the genre to perfection. Listen to the famous slow middle movement, a dreamy, romantic adagio in the (for Mozart) unusual key of F sharp minor, and find out more about this work: Incidentally, this is one of the very few orchestral works, i.e. concertos and symphonies, in which Mozart uses clarinets instead of oboes! Did you know that? Make sure you get our Urtext