Listen to Beethoven: Piano Concerto No. 1 in C Major, Op. 15: I. Allegro con brio online. Beethoven: Piano Concerto No. 1 in C Major, Op. 15: I. Allegro con brio is an Unknown language song and is sung by Alfred Brendel, Wiener Philharmoniker and Sir Simon Rattle. Beethoven: Piano Concerto No. 1 in C Major, Op. 15: I. Allegro con brio, from the album Bebés Clásicos, was released in the year 2024. The duration of the song is 17:06. Download Unknown songs online from JioSaavn.