Listen to Piano Concerto No. 27 In B Flat Major, K. 595: II.Larghetto online. Piano Concerto No. 27 In B Flat Major, K. 595: II.Larghetto is an English language song and is sung by Otto Klemperer and Clara Haskil. Piano Concerto No. 27 In B Flat Major, K. 595: II.Larghetto, from the album Klemperer Live in Concert, Vol.6, was released in the year 2014. The duration of the song is 6:48. Download English songs online from JioSaavn.