Copy a piano key (3)

I believe the answer is:

ape

'copy' is the definition.
('ape' can be a synonym of 'copy')

'a piano key' is the wordplay.
'piano' becomes 'p'.
'key' becomes 'e' (I've seen this in other clues).
'a'+'p'+'e'='APE'

(Other definitions for ape that I've seen before include "Imitate uncritically" , "Wild animal" , "Imitate like primate" , "Take off" , "Copy - primate" .)

I've seen this clue in the Evening Standard.

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