Listen to Piano Concerto No. 9 in E-Flat Major, K. 271 "Jeunehomme": I. Allegro online. Piano Concerto No. 9 in E-Flat Major, K. 271 "Jeunehomme": I. Allegro is an English language song and is sung by Camerata Labacensis, Kurt Redel and Leonard Hokanson. Piano Concerto No. 9 in E-Flat Major, K. 271 "Jeunehomme": I. Allegro, from the album 100 Classical Masterpieces: Piano, was released in the year 2015. The duration of the song is 10:41. Download English songs online from JioSaavn.