Listen to Rachmaninoff: Piano Concerto No. 2 in C Minor, Op. 18 - II. Adagio sostenuto online. Rachmaninoff: Piano Concerto No. 2 in C Minor, Op. 18 - II. Adagio sostenuto is an Unknown language song and is sung by Vladimir Ashkenazy, London Symphony Orchestra and André Previn. Rachmaninoff: Piano Concerto No. 2 in C Minor, Op. 18 - II. Adagio sostenuto, from the album Fireside Classical Music, was released in the year 2022. The duration of the song is 11:51. Download Unknown songs online from JioSaavn.