Listen to Mozart: Piano Concerto No. 20 in D Minor, K. 466: III. Rondo. Allegro assai online. Mozart: Piano Concerto No. 20 in D Minor, K. 466: III. Rondo. Allegro assai is an Unknown language song and is sung by Mitsuko Uchida, English Chamber Orchestra and Jeffrey Tate. Mozart: Piano Concerto No. 20 in D Minor, K. 466: III. Rondo. Allegro assai, from the album Mozart in the Car, was released in the year 2021. The duration of the song is 8:20. Download Unknown songs online from JioSaavn.