I would have the lights dimmed, and have sound effects of rain falling on pavement playing loudly.
Ans: Overall intense colors, repeated shapes or consistently hard edges create unity . A dominant color will also unify a painting.
One of the main differences between the renaissance mass and a renaissance motet is that the mass is always based on a specific text that is part of the liturgy of a given day. Motet is not connected to some specific text that is part of the liturgy but is also like the mass usually sacred.