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