The Piano Concerto No. 23 in A Major (K. 488) is a composition for piano and orchestra written by Wolfgang Amadeus Mozart. It was finished, according to Mozart’s own catalogue, on March 2, 1786, two months prior to the premiere of his opera, Le nozze di Figaro
The Piano Concerto No. 19 in F major, KV 459 by Wolfgang Amadeus Mozart was written at the end of 1784: Mozart’s own catalogue of works records that it was completed on 11 December.