This is a painting by Theodoor Rombouts, called “The Concert”. As in the reading you can see the artist displays in the faces a less formalized posture. The light displays the features on their faces and some shows the illusions of shadows.
Johann Pachelbel Chamber Works,London Baroque SH: Of course, I'm familiar with the Canon, so I'm delighted to have found this. Turns out I very much like this composer, and not for just one exquisite piece of music.