Paper chain of notes (7)

I believe the answer is:

festoon

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'paper chain' is the definition.
'festoon' can be an answer for 'chain' (I have seen 'Decorative chain ' mean 'festoon' so perhaps 'chain' could also mean 'festoon'). I am unsure of the 'paper' bit.

'of notes' is the wordplay.
'of notes' can be anagrammed to 'FESTOON'.
However, I'm unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for festoon that I've seen before include "Garland with flowers" , "Decoration" , "Decorate with hanging ornaments" , "Adorn (with garlands?)" , "Decorate with strings of flowers or fabric say" .)

I've seen this clue in The Irish Independent.

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