Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": Piano Sonata No.14 in C sharp minor, Op.27 No.2 -"Moonlight": 1. Adagio sostenuto by Ludwig van Beethoven is in the key of C Sharp. It should be played at a tempo of 69 BPM. This track was released on 2015-07-10.