Perhaps watch video that may rain on your parade (6,4)

I believe the answer is:

ticker tape

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'may rain on your parade' is the definition.
I know that 'parade' relates to this answer.

'perhaps watch video' is the wordplay.
'perhaps watch' becomes 'ticker' (synonyms. I am not sure about the 'perhaps' bit.).
'video' becomes 'tape' (video tape).
'ticker'+'tape'='TICKER-TAPE'

'that' acts as a link.

Can you help me to learn more?

(Other definitions for ticker tape that I've seen before include "Traditional kind of New York parade to welcome a visiting dignitary" , "Paper thrown in US celebrations" , "Sort of welcome" , "such a procession" .)

I've seen this clue in The Times.

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