Chappell Roan genre (3)

I think it could be either:

Which length description are you looking for?:

3,5

pop

(Other definitions for pop that I've seen before include "Palindrome of music for the young" , "Explode; Eton society" , "Burst - fizzy drink - modern music - US dad" , "Soft drink - father - music - light explosion" , "US fizzy drink and type of music" .)

I've seen this clue in the Universal.

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