Listen to Piano Concerto No. 1 in F Major, K. 37: I. Allegro online. Piano Concerto No. 1 in F Major, K. 37: I. Allegro is an Instrumental language song and is sung by Vladimir Krainev, Saulius Sondeckis and Lithuanian Chamber Orchestra. Piano Concerto No. 1 in F Major, K. 37: I. Allegro, from the album Mozart: Piano Concertos, was released in the year 2021. The duration of the song is 4:41. Download Instrumental songs online from JioSaavn.