Listen to Flute Quartet No. 1 in D Major, K. 285: I. Allegro online. Flute Quartet No. 1 in D Major, K. 285: I. Allegro is an English language song and is sung by Classical Music Songs. Flute Quartet No. 1 in D Major, K. 285: I. Allegro, from the album Harmony & Concentration – Music for Study, Classical Songs for Better Memory, Deep Focus, Mozart, Bach, Betthoven, was released in the year 2017. The duration of the song is 3:04. Download English songs online from JioSaavn.