W. A. Mozart[1756~1791] String Quartet No. 22 in B flat major KV 589 The String Quartet No. 22 in B-flat major, K. 589, was written in May 1790 by Wolfgang Amadeus Mozart. It is the second of the Prussian Quartets.There are four movements:Allegro, in B flat majorLarghetto, in E flat majorMenuetto: ModeratoAllegro assai, in B flat majorThe quartet was written for and dedicated to the King of P..