Roll out great for audience (6)

I believe the answer is:

unreel

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'roll out' is the definition.
(I've seen this in another clue)

I cannot understand how the rest of the clue works.

(Other definitions for unreel that I've seen before include "sounds amazing" , "Unfurl" , "Pull out tape" , "Wind like film in a projector" , "Take from coil" .)

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

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