Listen to Thirteen Preludes, Op. 32: XII. Allegro online. Thirteen Preludes, Op. 32: XII. Allegro is an Instrumental language song and is sung by Pavel Serebryakov. Thirteen Preludes, Op. 32: XII. Allegro, from the album Rachmaninoff: Piano Works, was released in the year 2006. The duration of the song is 2:07. Download Instrumental songs online from JioSaavn.