The work has a quantity of characteristics which make it stand out from the others. The key, for instance: it is the only concerto in minor key next to the D minor concerto. The 3/4 time in the first movement is found only twice in Mozart's piano concertos. The size of the orchestra is also remarkable, it is the largest and most colourful of all the piano concertos. Beethoven admired this work the most along with the D minor concerto.
Classic CD: outstanding.