virtuosity

noun

the singer has to display extreme virtuosity:

skill, skilfulness, mastery, expertise, expertness, prowess, proficiency, ability, aptitude, adroitness, dexterity, deftness, excellence, brilliance, talent, genius, artistry, technique, art, creativity, flair, finish, polish, panache, finesse, wizardry, calibre, quality, professionalism;

craftsmanship, handiness, workmanship, musicianship;

French éclat;

informal know-how.

▷antonyms lack of skill.

virtuosity Oxford Dictionary of English