Listen to Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato - 1 online. Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato - 1 is an English language song and is sung by Arthur Rubinstein. Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato - 1, from the album Discover Beethoven, was released in the year 2014. The duration of the song is 13:38. Download English songs online from JioSaavn.