Carl Philipp Emanuel Bach (1714-88):
Concerto in D minor for harpsichord and strings, W. 23

Selection 41 from Music of the Baroque: An Anthology of Scores, first edition

Click here for score (external link)

Click here for video (Collegium Musicum Hong Kong, with modern instruments)

Performance by the author (Wagner College, Staten Island, N.Y., 2014, with period instruments)
Allegro
Poco andante
Allegro assai