Listen to Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco mosso online. 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 Artur Rubinstein. Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco mosso, from the album 100 Intense Study Music for Reading, was released in the year 2015. The duration of the song is 7:55. Download English songs online from JioSaavn.