Listen to Piano Sonata No. 15 in F Major, K. 533/494: I. Allegro online. Piano Sonata No. 15 in F Major, K. 533/494: I. Allegro is an Instrumental language song and is sung by Maria Yudina. Piano Sonata No. 15 in F Major, K. 533/494: I. Allegro, from the album Maria Yudina. Grand Collection. Volume 2, was released in the year 2019. The duration of the song is 8:55. Download Instrumental songs online from JioSaavn.