Listen to Concerto for Piano No 1 in E-Flat Major, S124: I. Allegro maestoso online. Concerto for Piano No 1 in E-Flat Major, S124: I. Allegro maestoso is an English language song and is sung by Vladimir Fedoseyev, Moscow RTV Symphony Orchestra and Vladimir Selivokhin. Concerto for Piano No 1 in E-Flat Major, S124: I. Allegro maestoso, from the album Classical Liszt 2, was released in the year 2017. The duration of the song is 4:52. Download English songs online from JioSaavn.