virtuoso
The super-virtuoso from Russia opted to play the concerto on the basset clarinet, as the composer had intended it to be performed.
There was a performance by Stephen Hough, the brainy supervirtuoso from Britain.

SMART Vocabulary: related words and phrases

Experts and specialists
academician
artist
authority
boffin
child prodigy
doyenne
know something inside outidiom
lapidary
Latin Americanist
literati
maven
Renaissance man
savant
semiotician
skilled
smart money
whizz
wonder
wonderkid
wunderkind

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Foreign words & phrases used in English