For 10 points, name this Beethoven piano sonata written in C-sharp minor, named after a source of nocturnal luminescence.
The first movement of this composition includes a marking calling for the sustain pedal to be depressed at all times, creating dissonance when performed on modern instruments. Sforzandos mark the ferocious Presto agitato third movement of this piece, and though the composer originally gave it the nickname "Quasi una fantasia," the G-sharp-C-sharp-E triplet motif that opens the Adagio sostenuto first movement led Ludwig Rellstab to name it after certain reflections he saw on Lake Lucerne. For 10 points, name this Beethoven piano sonata written in C-sharp minor, named after a source of nocturnal luminescence.
The first movement of this composition includes a marking calling for the sustain pedal to be depressed at all times, creating dissonance when performed on modern instruments.
{Piano Sonata No. 14} in C-sharp minor [accept “{Moonlight” Sonata}; accept {“Quasi una fantasia”} before mentioned; accept {Opus 27 No. 2}]