Listen to Piano Concerto No. 1 in B-Flat Major, Op. 23: III. Allegro con fuoco online. Piano Concerto No. 1 in B-Flat Major, Op. 23: III. Allegro con fuoco is an Unknown language song and is sung by Sviatoslav Richter, Wiener Symphoniker and Herbert Von Karajan. Piano Concerto No. 1 in B-Flat Major, Op. 23: III. Allegro con fuoco, from the album Tchaikovsky: Complete 8 Symphonies & Other Works, was released in the year 2025. The duration of the song is 7:05. Download Unknown songs online from JioSaavn.