Crossword Genius

A promising entertainment? (6,4)

Ross

I believe the answer is:

talent show

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

'a promising entertainment?' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'promising entertainment?' is the wordplay.
'promising' becomes 'talent' (I am not sure about this - if you are sure you should believe this answer much more).
'entertainment?' becomes 'show' (show is a kind of entertainment).
'talent'+'show'='TALENT SHOW'

Can you help me to learn more?

I've seen this clue in The Guardian.
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