Virtuoso
Etymology
Italian "virtuoso" (skilled, learned), from Late Latin "virtuosus," from Latin "virtus" (excellence, worth), from "vir" (man). It first described a person of great learning or accomplishment generally, then narrowed to technical brilliance in performance.
noun · /vur-choo-OH-soh/
A performer of extraordinary technical skill, especially in music.
What it names
Not just talent but dazzling mastery of technique — the player whose sheer command is itself part of the spectacle — and by extension anyone brilliantly skilled at a demanding craft.
Example
The concerto’s final movement is a trap for anyone but a true virtuoso.
Related idea
A virtuoso is defined by breathtaking technical command; a maestro (master) is an authoritative expert, often a conductor or teacher, whose standing rests on judgment and leadership as much as fingers. One astonishes; the other presides.