How does Saint Matthew and the Angel elucidate its Style?
Caravaggio was known for painting very realistically, using models instead of standard convention and idealization.  He made his figures lifelike and relatable, as opposed to portraying unrealistic or phony poses. In this instance, however, the patrons wanted an idealization of the beloved Saint, someone who its viewers could admire and strain to be like. They did not want a bumbling peasant who looked as if he just walked in off the street. With the angel sweeping down and the Saint's stool teetering in movement, it is arguably one of Caravaggio's earliest examples of his dynamic style.  It was a much more exciting composition than his first submission. Even though Caravaggio changed the composition to suit the desires of the patron, you can still see his own style under the more refined subject of Saint Matthew.
Saint Matthew Caravaggio angel