Listen to Mozart: Serenade in D, K.250 "Haffner" - 2. Andante online. Mozart: Serenade in D, K.250 "Haffner" - 2. Andante is an English language song and is sung by Sir Neville Marriner, Iona Brown and Academy Of St. Martin In The Fields. Mozart: Serenade in D, K.250 "Haffner" - 2. Andante, from the album Study: 111 Pieces Of Classical Music While You Work, was released in the year 2013. The duration of the song is 9:27. Download English songs online from JioSaavn.