Passionately attached to retrospective play (4,4,2,5)

I believe the answer is:

look back in anger

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'play' is the definition.
(play by John Osborne)

I cannot understand how the rest of the clue works.

(Other definitions for look back in anger that I've seen before include "Retrospective of passion" , "play" , "drama!" , "be ticked off in review?" , "one may retrospectively find outrageous?" .)

I've seen this clue in The Telegraph.

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