Crossword Genius

Curtail quiet tenor's performance (7)

Ross

I believe the answer is:

shorten

'curtail' is the definition.
(thesaurus)

'quiet tenor's performance' is the wordplay.
'quiet' becomes 'sh'.
'performance' indicates an anagram.
'tenor' is an anagram of 'orten'.
'sh'+'orten'='SHORTEN'

(Other definitions for shorten that I've seen before include "Put extra fat" , "contract" , "Abbreviate" , "Reduce in length" , "Cut back" .)

I've seen this clue in The Mirror.
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