Listen to Piano Concerto in D major Hob.XVIII No.11 : II Un poco adagio online. Piano Concerto in D major Hob.XVIII No.11 : II Un poco adagio is an English language song and is sung by Philippe Entremont. Piano Concerto in D major Hob.XVIII No.11 : II Un poco adagio, from the album Haydn Edition Volume 8 - Concertos, was released in the year 2009. The duration of the song is 6:31. Download English songs online from JioSaavn.