Listen to Divertimento in E-flat Major for 2 Horns and String Quartet, Hob. II:21: III. Adagio online. Divertimento in E-flat Major for 2 Horns and String Quartet, Hob. II:21: III. Adagio is an Unknown language song and is sung by L'Archibudelli. Divertimento in E-flat Major for 2 Horns and String Quartet, Hob. II:21: III. Adagio, from the album Haydn: Works for Horn, was released in the year 1996. The duration of the song is 6:11. Download Unknown songs online from JioSaavn.