Piano man? (3)

I believe the answer is:

ian

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

'man?' is the definition.
(man's name)

'piano' is the wordplay.
'IAN' is hidden within the letters.
But, I am uncertain how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for ian that I've seen before include "- McEwan, Eng. writer" , "- - Wallace (baritone)" , "... Fleming, author of the Bond books" , ". . . Botham, . . . Woosnam" , "Sir - McKellen, actor" .)

I've seen this clue in the Evening Standard.

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