Listen to Mozart: Piano Concerto No. 23 in A major, K.488 - 3. Allegro assai online. Mozart: Piano Concerto No. 23 in A major, K.488 - 3. Allegro assai is an English language song and is sung by Simon Tedeschi, Tasmanian Symphony Orchestra and Alexander Briger. Mozart: Piano Concerto No. 23 in A major, K.488 - 3. Allegro assai, from the album 100 Best – Mozart, was released in the year 2017. The duration of the song is 8:03. Download English songs online from JioSaavn.