Listen to Prelude and Fugue for 18 part String Orchestra, Op. 29: Prelude: Grave online. Prelude and Fugue for 18 part String Orchestra, Op. 29: Prelude: Grave is an English language song and is sung by English Symphony and String Orchestras. Prelude and Fugue for 18 part String Orchestra, Op. 29: Prelude: Grave, from the album A Portrait of Britten, was released in the year 1999. The duration of the song is 3:08. Download English songs online from JioSaavn.