Listen to Rachmaninoff: Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace online. Rachmaninoff: Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace is an English language song and is sung by Vladimir Ashkenazy, London Symphony Orchestra and André Previn. Rachmaninoff: Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace, from the album Rachmaninov, was released in the year 2020. The duration of the song is 9:58. Download English songs online from JioSaavn.