Listen to Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romanza. Larghetto online. Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romanza. Larghetto is an Instrumental language song and is sung by Ernst Mühlbacher, Orchestra of the Vienna Volksoper and Franz Bauer-Theussl. Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romanza. Larghetto, from the album The Menuetto Lounge: 111 Relaxing Masterpieces, was released in the year 2010. The duration of the song is 4:10. Download Instrumental songs online from JioSaavn.