Song’s nine unusually bright red flashy features? (4,5)

I believe the answer is:

neon signs

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'bright red flashy features?' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'song's nine unusually' is the wordplay.
'unusually' indicates an anagram.
'songs'+'nine'='songsnine'
'songsnine' is an anagram of 'NEON SIGNS'.

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I've seen this clue in The Times.

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