Listen to Mozart: Serenade in D Major, K. 320 "Posthorn": VI. Minuetto online. Mozart: Serenade in D Major, K. 320 "Posthorn": VI. Minuetto is an Unknown language song and is sung by Michael Laird, Academy Of St Martin In The Fields and Sir Neville Marriner. Mozart: Serenade in D Major, K. 320 "Posthorn": VI. Minuetto, from the album Mozart in the Car, was released in the year 2021. The duration of the song is 4:40. Download Unknown songs online from JioSaavn.