Listen to Serenade No. 7 in D major - Haffner, K. 250: VIII. Adagio - Allegro assai online. Serenade No. 7 in D major - Haffner, K. 250: VIII. Adagio - Allegro assai is an English language song and is sung by Prague Chamber Orchestra. Serenade No. 7 in D major - Haffner, K. 250: VIII. Adagio - Allegro assai, from the album Mozart: Haffner Serenade, Divertimento No. 6, was released in the year 2002. The duration of the song is 6:07. Download English songs online from JioSaavn.