Final answer:
Beethoven's Moonlight Sonata consists of three movements and is a highly acclaimed piece in the classical piano repertoire. The piece features contrasting movements; the first is slow and dreamy, the second movement is a lighter Allegretto, and the third is a virtuosic Presto agitato.
Step-by-step explanation:
Beethoven's famous Moonlight Sonata has three movements. Composed in 1801, the sonata was dedicated to one of Beethoven's pupils, Countess Giulietta Guicciardi. The piece features contrasting movements; the first is slow and dreamy, the second movement is a lighter Allegretto, and the third is a virtuosic Presto agitato. This piano sonata is one of Beethoven's most popular compositions and a staple in classical piano repertoire.