Orpheus Sings for Pluto and Proserpina Jan Brueghel The Elder (1568-1625)

The picture has something of this: people, group, many, crowd, wear, festival, man, woman, music, recreation, group together, vehicle, calamity, performance, child.
Perhaps it’s a painting of a group of people standing in front of a body of water with a lot of other people on the other side of the painting.