Listen to Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace online. Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace is an English language song and is sung by Sergei Rachmaninoff, Eugene Ormandy and The Philadelphia Orchestra. Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace, from the album Rachmaninoff Plays Rachmaninoff, was released in the year 2012. The duration of the song is 9:55. Download English songs online from JioSaavn.