Listen to Concerto No. 1 in B-Flat Minor for Piano and Orchestra, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito online. Concerto No. 1 in B-Flat Minor for Piano and Orchestra, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito is an English language song and is sung by London Symphony Orchestra. Concerto No. 1 in B-Flat Minor for Piano and Orchestra, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito, from the album The 100 Most Essential Pieces of Classical Music, was released in the year 2010. The duration of the song is 20:29. Download English songs online from JioSaavn.