2 pages | PDF | 306.4 KBPiano Concerto No. 21 in C Major by Wolfgang Amadeus Mozart is a masterful blend of classical elegance and expression. Composed in a traditional sonata form, the piece is written in F Major, with a secondary key of D Minor. Measuring 22 measures in length, this concerto is expertly crafted, featuring sweeping melodies and intricate variations on the musical themes. The piece is a masterpiece of musical composition, proving Mozart to be a master of the Classical Era.