Piano Sonata No. 14 in C-sharp minor
"Quasi una fantasia", Op. 27, No. 2
by Ludwig Beethoven
(Mondscheinsonate in German)
Completed in 1801. It is rumored to be dedicated to his pupil, 17-year-old Countess Giulietta Guicciardi, with whom Beethoven was, or had been, in love. The name "Moonlight" Sonata derives from an 1832 description of the first movement by music critic Ludwig Rellstab, who compared it to moonlight shining upon Lake Lucerne.