Listen to Beethoven: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight Sonata": I. Adagio sostenuto online. Beethoven: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight Sonata": I. Adagio sostenuto is an Unknown language song and is sung by Vladimir Ashkenazy. Beethoven: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight Sonata": I. Adagio sostenuto, from the album The 50 Most Essential Classical Music Pieces Ever, was released in the year 2013. The duration of the song is 6:06. Download Unknown songs online from JioSaavn.