Listen to Rachmaninoff: Piano Concerto No. 2 in C Minor, Op. 18: 2. Adagio sostenuto online. Rachmaninoff: Piano Concerto No. 2 in C Minor, Op. 18: 2. Adagio sostenuto is an English language song and is sung by Valentina Lisitsa, London Symphony Orchestra and Michael Francis. Rachmaninoff: Piano Concerto No. 2 in C Minor, Op. 18: 2. Adagio sostenuto, from the album Rachmaninov, was released in the year 2020. The duration of the song is 10:44. Download English songs online from JioSaavn.