Listen to Rachmaninoff: Piano Concerto No. 2 in C minor, Op. 18: 2. Adagio sostenuto (Edit) online. Rachmaninoff: Piano Concerto No. 2 in C minor, Op. 18: 2. Adagio sostenuto (Edit) 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: 2. Adagio sostenuto (Edit), from the album 101 Film Classics, was released in the year 2012. The duration of the song is 3:57. Download Unknown songs online from JioSaavn.