Listen to Keyboard Sonata in D Major, Hob. XVI:37: I. Allegro con brio online. Keyboard Sonata in D Major, Hob. XVI:37: I. Allegro con brio is an English language song and is sung by Fazil Say. Keyboard Sonata in D Major, Hob. XVI:37: I. Allegro con brio, from the album Relaxing christmas, was released in the year 2017. The duration of the song is 4:11. Download English songs online from JioSaavn.