Listen to Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso (Excerpt) online. Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso (Excerpt) is an English language song and is sung by Simon Tedeschi and The Queensland Orchestra. Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso (Excerpt), from the album The Musical Handyman, was released in the year 2010. The duration of the song is 3:53. Download English songs online from JioSaavn.