Listen to Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito online. Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito is an English language song and is sung by Konstantin Scherbakov. Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito, from the album A Guided Tour of Nationalism in the Romantic Era, Vol. 6, was released in the year 2013. The duration of the song is 19:44. Download English songs online from JioSaavn.