Mike's contribution to a party song (5)

I believe the answer is:

tyson

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'mike's' is the definition.
Both the definition and answer are singular nouns.
Maybe there's a link between them I don't understand?

'contribution to a party song' is the wordplay.
'contribution to' indicates the answer is hidden within the clue.
'TYSON' is hidden within 'a party song'.

Can you help me to learn more?

(Other definitions for tyson that I've seen before include "Undisputed world heavyweight champion, 1987" , "US world heavyweight boxing champion, b.1966 -- English fast bowler, d. 2015" , "26 4 [RING MASTER]" , "Mike ..., former US prizefighter" , "American world heavyweight champion, b. 1966" .)

I've seen this clue in the Evening Standard.

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