Listen to Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso online. Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso is an English language song and is sung by Ewa Kupiec. Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso, from the album Stanislaw Skrowaczewski: 90th Birthday Collection, was released in the year 2013. The duration of the song is 19:51. Download English songs online from JioSaavn.