Crossword Genius

Horrendous recital piece (7)

Ross

I believe the answer is:

article

I'm a little stuck... Click here to teach me more about this clue!

'piece' is the definition.
(I know that article is a type of piece)

'horrendous recital' is the wordplay.
'recital' anagrams to 'ARTICLE'.
However, I am unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for article that I've seen before include "to cause amusement, say, to a king" , "Division" , "Object and newspaper story" , "Maybe the" , "leader" .)

I've seen this clue in The Sun.
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