Listen to Piano Concerto No. 23 in A Major, K. 488: II. Adagio online. Piano Concerto No. 23 in A Major, K. 488: II. Adagio is an English language song and is sung by Zürcher Kammerorchester, Howard Griffiths and Fazil Say. Piano Concerto No. 23 in A Major, K. 488: II. Adagio, from the album Relaxing christmas, was released in the year 2017. The duration of the song is 6:09. Download English songs online from JioSaavn.