Listen to Piano Concerto No. 2 in in B-Flat Major, Op. 19: II. Adagio online. Piano Concerto No. 2 in in B-Flat Major, Op. 19: II. Adagio is an English language song and is sung by Wilhelm Kempff and Paul van Kempen. Piano Concerto No. 2 in in B-Flat Major, Op. 19: II. Adagio, from the album Beethoven: Piano Concertos & Appassionata, was released in the year 2010. The duration of the song is 9:47. Download English songs online from JioSaavn.