Listen to Symphony No. 99 in E-Flat Major, Hob. I:99: I. Adagio - Vivace assai online. Symphony No. 99 in E-Flat Major, Hob. I:99: I. Adagio - Vivace assai is an English language song and is sung by Hermann Scherchen. Symphony No. 99 in E-Flat Major, Hob. I:99: I. Adagio - Vivace assai, from the album Haydn: Symphonies 99 & 100, was released in the year 2014. The duration of the song is 6:37. Download English songs online from JioSaavn.