1. Muse is black.
2. Black is her favourite color.
3. She wanted the white text to be clearly visible.
4. Because black symbols secrets and elegance.
5. She really likes blackberries.
6. She has a black belt in karate.
7. She is a goth.
8. During GD creation there was a black item on her desk.
9. She has a black cat that she loves very much.
10. It was dark outside.
11. She randomly picked a color and it happened to be black.
12. She burnt her porridge.