A trumpet piece 'con spirito!' (3)

I believe the answer is:

rum

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'con spirito' is the definition.
Both the definition and answer are adjectives.
Perhaps they are linked in a way I don't understand?

'a trumpet piece' is the wordplay.
'piece' indicates a hidden word.
'RUM' is hidden within 'trumpet'.

Can you help me to learn more?

(Other definitions for rum that I've seen before include "The spirit is peculiar" , "Odd kind of drink for sailor" , "Curious, strange" , "Odd like drink distilled from molasses" , "Odd sort of spirit used in grog" .)

I've seen this clue in the Evening Standard.

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