Listen to Sonata for Piano No. 21 in B-Flat Major, D. 960: III. Scherzo. Allegro vivace con delicatezza online. Sonata for Piano No. 21 in B-Flat Major, D. 960: III. Scherzo. Allegro vivace con delicatezza is an Instrumental language song and is sung by Walter Klien. Sonata for Piano No. 21 in B-Flat Major, D. 960: III. Scherzo. Allegro vivace con delicatezza, from the album 111 Piano Masterpieces, was released in the year 2010. The duration of the song is 4:25. Download Instrumental songs online from JioSaavn.