Trombone in Concert Scenes from the Early 17th Century

I recently added the first image/entry shown below to the Trombone History Timeline (17th century–first half). The painting is noteworthy for three reasons, in my opinion: 1) the performers appear to be upper-class, 2) the trombonist is female, and 3) it bears at least a passing resemblance to two other trombone paintings, also from the [...]