Listen to Piano Concerto No. 1 in E-Flat Major, S. 124: I. Allegro maestoso online. Piano Concerto No. 1 in E-Flat Major, S. 124: I. Allegro maestoso is an Instrumental language song and is sung by Josef Bulva, Orchestra of Radio Luxembourg and Daniel Nazareth. Piano Concerto No. 1 in E-Flat Major, S. 124: I. Allegro maestoso, from the album Franz Liszt: Essential Orchestral Works, was released in the year 2022. The duration of the song is 5:26. Download Instrumental songs online from JioSaavn.