At the same time that Novalis wrote down the dream of the blue flower, in silvery tones and indeterminately fading harmonies Ludwig van Beethoven drafted his Sonata quasi una Fantasia, the so-called Moonlight Sonata. The at the time unprecedented expression is authentically brought to life on the original fortepiano in an historical temperament (Kirnberger 2) and with the pedal depressed throughout as prescribed.