Listen to Concerto 23 for piano and orchestra A Major: adagio online. Concerto 23 for piano and orchestra A Major: adagio is an English language song and is sung by Clara Haskil. Concerto 23 for piano and orchestra A Major: adagio, from the album Instant Classical Culture, was released in the year 2010. The duration of the song is 2:46. Download English songs online from JioSaavn.