Listen to Chopin: Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre. Lento online. Chopin: Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre. Lento is an Unknown language song and is sung by Vladimir Ashkenazy. Chopin: Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre. Lento, from the album Ultimate Piano Classics, was released in the year 2006. The duration of the song is 8:57. Download Unknown songs online from JioSaavn.