Play Community Shield match? (7-6)

I believe the answer is:

curtain-raiser

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'play' is the definition.
(curtain raiser is a kind of play)

I cannot understand how the rest of the clue works.

(Other definitions for curtain-raiser that I've seen before include "drama" , "Preliminary event" , "Preceding event" , "Short play before the main performance" .)

I've seen this clue in The Times.

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