Listen to Piano Concerto No. 19 in F Major, K. 459: I. Allegro online. Piano Concerto No. 19 in F Major, K. 459: I. Allegro is an English language song and is sung by Clara Haskil, Orchestre de Chambre de Lausanne and Victor Desarzens. Piano Concerto No. 19 in F Major, K. 459: I. Allegro, from the album Happy Classics, was released in the year 2016. The duration of the song is 27:50. Download English songs online from JioSaavn.