Task: Text Categorization
Input (English): The parodic nature of one of this composer's works is argued for by William Kinderman and by Alfred Brendel, who gave its movements titles like "Cheerful Spook" and "The Virtuoso at Boiling Point." The fourth and last movement of one of his works consists of a Largo introduction and a demanding three-voice fugue. Ludwig Nohl discovered another of his works, whose A minor opening theme is marked "Poco moto." A piano sonata by this composer opens with an Adagio sostenuto movement with the right hand playing triplets, and ends with a stormy Presto agitato. This composer's "Bagatelle in A Minor" is more commonly referred to by its dedication to an unknown woman. He composed the Hammerklavier and a piano sonata subtitled "Quasi una fantasia" whose nickname was coined by Ludwig Rellstab. For 10 points, name this composer of the Diabelli Variations, Fur Elise and the Moonlight Sonata.
Output (English): Fine Arts