Call service churchwardens for dances (9)

I believe the answer is:

hornpipes

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'for dances' is the definition.
(hornpipe is a kind of dance)

'call service churchwardens' is the wordplay.
'call' becomes 'ho' (historical exclamation used to attract attention).
'service' becomes 'RN' (abbreviation for Royal Navy).
'churchwardens' becomes 'pipes' (I can't explain this - if you can you should give a lot more credence to this answer).
'ho'+'rn'+'pipes'='HORNPIPES'

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I've seen this clue in the Sydney Morning Herald.

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