Skilled worker choreographed Sinatra (7)

I believe the answer is:

artisan

I'm a little stuck... Click here to teach me more about this clue!

'skilled worker' is the definition.
(an artisan is a skilled craftsperson)

'choreographed sinatra' is the wordplay.
'sinatra' can be anagrammed to 'ARTISAN'.
But, I'm unsure how this is indicated.

Can you help me to learn more?

(Other definitions for artisan that I've seen before include "Sinatra (anag) -- skilled manual worker" , "Journeyman" , "Skilled workman" , "Smith" , "Crafty sort" .)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.