Listen to Beethoven: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco mosso online. Beethoven: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco mosso is an English language song and is sung by Clifford Curzon, Wiener Philharmoniker and Hans Knappertsbusch. Beethoven: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco mosso, from the album 50 Relaxing Classics by Classic FM, was released in the year 2012. The duration of the song is 8:15. Download English songs online from JioSaavn.