License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Adriaen van Ostade. A group of figures dancing under a trellis attached to a house, a standing figure carrying a drum and holding a horn to his mouth, surrounded by onlookers, a lane with houses and carriages beyond, ca. 1650–55. The Metropolitan Museum of Art.