Listen to Prelude No. 6 in B minor, Allegretto online. Prelude No. 6 in B minor, Allegretto is an Instrumental language song and is sung by Marios Papadopoulos and Oxford Philharmonic Orchestra. Prelude No. 6 in B minor, Allegretto, from the album Shostakovich 24 Preludes & Fugues Vol. I Nos. 1 to 12, Op. 87, was released in the year 2020. The duration of the song is 2:07. Download Instrumental songs online from JioSaavn.