professional – adj. not amateurs, those with the highest skills
orchestra – n. a group of musicians who play compositions
mentor – v. to teach and assist
conductor – n. the leader of an orchestra
advancement – n. to move forward or higher in a system
egalitarian – adj. the idea that all should be treated equal
criteria – n. the skills that are judged in a competition
lockdown – n. forcing people to stay indoors to avoid a contagious disease