Anatomy Lesson of Dr. Tulip Rembrandt Harmenszoon Van Rijn (1606-1669)

The picture has something of this: people, group, man, portrait, woman, performance, wear, music, theater, three, child, indoors, offense, room, two, four, lid.
Perhaps it’s a painting of a group of men standing around a man laying on the ground in front of a man with a knife in his hand and another man holding.