Group of musicians finds Edward subdued (5)

I believe the answer is:

muted

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'subdued' is the definition.
(I've seen this before)

'group of musicians finds edward' is the wordplay.
'group of musicians finds' becomes 'mu' (I can't justify this - if you can you should give a lot more credence to this answer).
'edward' becomes 'ted'.
'mu'+'ted'='MUTED'

Can you help me to learn more?

(Other definitions for muted that I've seen before include "Kept quiet" , "In a softened tone" , "Muffled, subdued" , "Subdued; not bright" , "Hushed, dulled or deadened" .)

I've seen this clue in The Mirror.

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