Ruin anecdote about some choreography (5,7)

I believe the answer is:

dance routine

'some choreography' is the definition.

'ruin anecdote about' is the wordplay.
'about' is an anagram indicator.
'ruin'+'anecdote'='ruinanecdote'
'ruinanecdote' anagrammed gives 'DANCE ROUTINE'.

I've seen this clue in The Everyman puzzle in The Observer.

Want a hint initially instead of a full solution? Install my app