Part of patriotic composition (4)

I believe the answer is:

trio

'composition' is the definition.
(trio is a kind of composition)

'part of patriotic' is the wordplay.
'part of' says the answer is hidden in the clue.
'TRIO' is hidden within 'patriotic'.

(Other definitions for trio that I've seen before include "Bee Gees, Supremes or Andrews Sisters, say" , "Three together" , "wise men?" , "Piece for three players" , "Beethoven's 'Archduke', for instance" .)

I've seen this clue in The Times.

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