CLASSICAL MUSIC / Concerto / PianoMozart – Piano Concerto No. 21 – Pollini, Muti Mozart’s Piano Concerto No. 21 in C major, K. 467, was completed on 9 March 1785, four weeks after the completion of the previous D minor concerto, K. 466. The second movement, Andante, is one of Mozart’s most famous masterpiece.