Listen to Piano Concerto No. 23 in A Major, K. 488: III. Allegro assai online. Piano Concerto No. 23 in A Major, K. 488: III. Allegro assai is an English language song and is sung by Simon Tedeschi. Piano Concerto No. 23 in A Major, K. 488: III. Allegro assai, from the album The Classic 100: Mozart – The Top 10 & Selected Highlights, was released in the year 2014. The duration of the song is 8:00. Download English songs online from JioSaavn.