For 10 points, name this type of work for solo keyboard and orchestra, 27 of which were composed by Wolfgang Amadeus Mozart.
In the rondo finale of the eighteenth of these works, the meter changes from 6/8 to 2/4 in the winds. The ninth of these works is nicknamed "Jeunhomme," and the final one is in B-flat, following one of these works with a second movement entirely lacking left hand portions. Besides the "Coronation," one of these works possesses a unique adagio in F-sharp minor, and yet another contains a Mannheim rocket in its final rondo following a peaceful, then furiously fast Romanze movement. For 10 points, name this type of work for solo keyboard and orchestra, 27 of which were composed by Wolfgang Amadeus Mozart.
In the rondo finale of the eighteenth of these works, the meter changes from 6/8 to 2/4 in the winds.
 Mozart's piano concertos [only piano concertos needed after mention of Mozart; prompt on “piano concertos” before that]