Peter Paul Rubens – Decius Musa’s speech about his dream Liechtenstein Museum (Vienna)

The picture has something of this: people, man, group, woman, dancing, costume, weapon, Renaissance, wear, music, saint, god, sword, veil, blood.
Perhaps it’s a painting of a man standing in front of a group of men wearing roman garb and holding a clock in one hand and a sword in the other hand.