Listen to Piano Concerto in D Major, Hob. XVIII:11: I. Allegro online. Piano Concerto in D Major, Hob. XVIII:11: I. Allegro is an English language song and is sung by Bamberg Symphony Orchestra, Ilse von Alpenheim and Antal Dorati. Piano Concerto in D Major, Hob. XVIII:11: I. Allegro, from the album Clash of the Composers: Johann Sebastian Bach vs. Joseph Haydn, was released in the year 2015. The duration of the song is 7:44. Download English songs online from JioSaavn.