Listen to Mozart: Horn Concerto No. 3 in E-Flat Major, K. 447: 2. Romance. Larghetto online. Mozart: Horn Concerto No. 3 in E-Flat Major, K. 447: 2. Romance. Larghetto is an Unknown language song and is sung by Barry Tuckwell, London Symphony Orchestra and Peter Maag. Mozart: Horn Concerto No. 3 in E-Flat Major, K. 447: 2. Romance. Larghetto, from the album Sleep with Mozart, was released in the year 2022. The duration of the song is 5:05. Download Unknown songs online from JioSaavn.