Pity a creep disrupted entertaining turn (5,5)

I believe the answer is:

party piece

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'entertaining turn' is the definition.
'party piece' can be an answer for 'turn' (both can mean a performance). I am not certain of the 'entertaining' bit.

'pity a creep disrupted' is the wordplay.
'disrupted' indicates anagramming the letters.
'pity'+'a'+'creep'='pityacreep'
'pityacreep' anagrammed gives 'PARTY PIECE'.

Can you help me to learn more?

(Other definitions for party piece that I've seen before include "Amusing performance done to entertain others informally" , "Act with which to entertain friends" , "Individual act to entertain socially" .)

I've seen this clue in The Telegraph.

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