Listen to Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato (Cadenza by Edwin Fischer) online. Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato (Cadenza by Edwin Fischer) is an Instrumental language song and is sung by Edwin Fischer/Philharmonia Orchestra. Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato (Cadenza by Edwin Fischer), from the album Icon: Edwin Fischer, was released in the year 2010. The duration of the song is 17:42. Download Instrumental songs online from JioSaavn.