Listen to II. Maestoso in B-Flat Major online. II. Maestoso in B-Flat Major is an English language song and is sung by Sergio Fiorentino. II. Maestoso in B-Flat Major, from the album Fiorentino Edition, Vol. 3: Rachmaninoff: Preludes, Piano Sonatas 1 & 2, Transcriptions, was released in the year 2015. The duration of the song is 3:06. Download English songs online from JioSaavn.