Listen to Six Grand Overtures in B-Flat Major, Op. 18 No. 2 "Lucio Silla Overture": I. Allegro assai online. Six Grand Overtures in B-Flat Major, Op. 18 No. 2 "Lucio Silla Overture": I. Allegro assai is an English language song and is sung by Ensemble instrumental de Paris and Louis de Froment. Six Grand Overtures in B-Flat Major, Op. 18 No. 2 "Lucio Silla Overture": I. Allegro assai, from the album Symphonies de la famille Bach (Mono Version), was released in the year 2016. The duration of the song is 3:17. Download English songs online from JioSaavn.