Listen to Piano Concerto No. 24 in C Minor, K. 491: I. Allegro online. Piano Concerto No. 24 in C Minor, K. 491: I. Allegro is an English language song and is sung by Ama Deus Ensemble and Valentin Radu. Piano Concerto No. 24 in C Minor, K. 491: I. Allegro, from the album Grand Mozart, was released in the year 2014. The duration of the song is 15:11. Download English songs online from JioSaavn.