Listen to Horn Concerto No. 2 in E-Flat Major, K. 417: I. Allegro Maestoso online. Horn Concerto No. 2 in E-Flat Major, K. 417: I. Allegro Maestoso is an English language song and is sung by Camerata Labacensis, Kurt Redel and Joschi Fallout. Horn Concerto No. 2 in E-Flat Major, K. 417: I. Allegro Maestoso, from the album The Mozart Collection: Bedtime, was released in the year 2015. The duration of the song is 6:45. Download English songs online from JioSaavn.