Listen to Mozart: Symphony No.39 in E Flat Major, K.543 - 1. Adagio - Allegro online. Mozart: Symphony No.39 in E Flat Major, K.543 - 1. Adagio - Allegro is an English language song and is sung by Tasmanian Symphony Orchestra and Sebastian Lang-Lessing. Mozart: Symphony No.39 in E Flat Major, K.543 - 1. Adagio - Allegro, from the album 100 Best – Mozart, was released in the year 2017. The duration of the song is 10:15. Download English songs online from JioSaavn.