People cheering up? (8,7)

I believe the answer is:

standing ovation

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'people cheering up?' is the definition.
I can't tell whether this defines the answer.

'people cheering' is the wordplay.
'people' becomes 'standing' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'cheering' becomes 'ovation'.
'standing'+'ovation'='STANDING OVATION'

Can you help me to learn more?

(Other definitions for standing ovation that I've seen before include "Applause" , "warm reception" , "Rapturous reception" .)

I've seen this clue in The Daily Express.

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