In 2018, the rules changed and Olympic organizers allowed the use of vocal music in performances for the first time.
An Olympic Charter can be defined as the fundamental rules, regulations and principles which governs the Olympic Games, and they must be adopted by the International Olympic Committee (IOC) as guidelines for hosting and organizing the Olympic Games.
In Pyeongchang 2018, the rules changed and Olympic organizers allowed the use of vocal music in performances for the first time for figure skaters.
Read more on Olympics here: https://brainly.com/question/18765613
#SPJ1
