Since you are interested in Trumpet Concertos, here is a list of other items that you may find interesting.
Aya Okuyama (fortepiano), Allessandro Commellato (fortepiano) / Solamente Naturali, Bratislava
[ Brilliant Classics / CD - released 1/Dec/2010 ]
Johann Nepomuk Hummel has lived for a long time in the shadow of Beethoven. Only in recent years has his true importance become apparent: a dramatic style, a great sense of musical structure and craftsmanship, alternating drama and charm.