 Its texture is sparse, intimate and even elegiac.In the works of his mature series, Mozart created a unique conception of the piano concerto that attempted to solve the ongoing problem of how thematic material is dealt with by the orchestra and piano.With the exception of the two exceptionally fine early concertos K. 271 ("Jeunehomme") and K. 414 (the "little A major"), all of his best examples are from later works.