Listen to Horn Quintet in E flat major, K. 407: III. Rondo. Allegro online. Horn Quintet in E flat major, K. 407: III. Rondo. Allegro is an English language song and is sung by Dennis Brain. Horn Quintet in E flat major, K. 407: III. Rondo. Allegro, from the album Mozart For Brain Power, was released in the year 2013. The duration of the song is 3:38. Download English songs online from JioSaavn.