Performance
The skill used to put on any sort of performance, such as acting, dancing, singing, etc.
Scale:
0: Dance like no one's watching. But oh they are. Oh god they are. Stop. Just stop.
1: You have a singing voice or dancing ability that doesn't get pained expressions.
2: An actress that channels real emotion very effectively. Yep, she just made us sad.
3: The musician that won a standing ovation for their moving solo performance, not just polite applause.
4: One of the better voices of their generation, that singer.
5: Some say when she sings, the sun shines brighter.
6: Yeah that's not just a saying.