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 a French language song and is sung by Mozart Festival Orchestra, Alberto Lizzio and Josef Ducopil. Horn Concerto No. 2 in E-Flat Major, K. 417: I. Allegro Maestoso, from the album 50 Calm Songs: Classical Collection, was released in the year 2015. The duration of the song is 6:46. Download French songs online from JioSaavn.