Listen to Piano Sonata No. 17 in B-Flat Major, K. 570: II. Adagio online. Piano Sonata No. 17 in B-Flat Major, K. 570: II. Adagio is an English language song and is sung by Konzentration Musik Welt. Piano Sonata No. 17 in B-Flat Major, K. 570: II. Adagio, from the album Classical Melodies to Study – Soft Sounds for Better Focus, Mind Control, Beautiful Classical Pieces, was released in the year 2017. The duration of the song is 3:01. Download English songs online from JioSaavn.