Listen to Quartet for Flute and Strings I. D Major, K. 285 : I. Allegro online. Quartet for Flute and Strings I. D Major, K. 285 : I. Allegro is an English language song and is sung by Alexei Massarsky. Quartet for Flute and Strings I. D Major, K. 285 : I. Allegro, from the album Classical Composers Collections: 50 Best of Mozart, was released in the year 2011. The duration of the song is 6:55. Download English songs online from JioSaavn.