Mozart Piano Sonata No. 16 in C major K.545 1. Allegro

Allegro constitutes the first movement of Wolfgang Amadeus Mozart's Piano Sonata No. 16 in C major, K. 545, described by Mozart himself in his own thematic catalogue as "for beginners." The sonata is sometimes known by the nickname Sonata facile or Sonata semplice. The first movement is written in sonata form and is in the key of C major.