Without exception, each note is true (5)

I believe the answer is:

every

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'without exception' is the definition.
(I've seen this before)

'each note is true' is the wordplay.
'each note' becomes 'e' (musical note. I am not sure about the 'each' bit.).
'is true' becomes 'very' (I've seen this in other clues).
'e'+'very'='EVERY'

Can you help me to learn more?

(Other definitions for every that I've seen before include "'God bless us - - one !'" , "Each single (item)" , "Each of a number" , "Each one without exception" , "Each (one of a set)" .)

I've seen this clue in the Evening Standard.

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